Why is iMessage encountering an error when I attempt to sign in?

I am trying to sign into iMessage on my macbook air and all day it has been saying the "server has encountered an error". How can I fix this? Is it a problem with the iMessage network or my computer?

read this troubleshooting article https://support.twitter.com/articles/20169906

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    i upgraded from lightroom 4 to lightroom 5 and installed it on a separate hard drive. Initially had no problems util my computer crashed due to the failure of the drive on which Lightroom 5 was installed. Since having my computer rectified, i am unable to use lightroom 5 getting the message "lightroom encountered an error when reading from its preview cache and needs to quit"
    I can still use lightroom 4, however, i get the same message when i try to backup the catalog. This occurs during the optimisation phase of backup.
    I suspect it is related to Lightroom 5 creating a catalog from the Lightroom 4 files and cannot now locate those files or that they have been corrupted.
    Would appreciate any solutions / suggestions.

    You need to delete your preview cache and have Lightroom rebuild it.   Cache location can be found here.
    https://helpx.adobe.com/lightroom/kb/preference-file-locations-lightroom-41.html
    Why And How To Clear Your Lightroom Cache - Lightroom Fanatic

  • Lightroom crashes at start up with the error message "Lightroom encountered an error when reading from its preview cache and needs to quit".  Please advise on how to fix this error.  Thanks

    Lightroom crashes at start up with the error message "Lightroom encountered an error when reading from its preview cache and needs to quit".  Please advise on how to fix this error.  Thanks

    You probably need to delete your preview cache.  See here  
    Why And How To Clear Your Lightroom Cache - Lightroom Fanatic
    Preference and other file locations in Lightroom 5

  • When the system status says icloud is OK but it reports "encountered an error when connecting to the server", where do you report the problem, or how do you connect?

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    The form which you kindly suggested and i appreciated your help ended up in the hands of someone who either did not bother to read the query or just had such a poor grasp of English they did not understand the query.
    Pretty pathetic really when BT are the largest telco in the UK. I think ill be taking my broadband business elsewhere regardless at the end of my 18 month contract, while im sure staff here are wonderful and may even yet help me, i do not particularly want to go through the almost like pulling teeth pain of getting any future issue looked at.
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  • I received an error message in Lightroom 5 , Lightroom encountered an error when reading from its preview cache and needs to quit

    I was wondering now that I deleted my preview cache after receiving the lighgtroom encountered an error when reading from its preview cache  and needs to quit  , light room 5 opened fine now , but  I now have no previews showing  up , all I get is blank gray boxes ...  have  I lost everything ?
    how do I get the pictures or previews back ...all my folders I had catalogued , now show only grayed boxes where the previews were ...  can I get this back ?

    I will check for the meta data.. as to hows this adobes fault....first let me ask do you work for or get paid for by adobe?  If the answer is no, which i presume it is...then that answers it... how is it , or better yet why is it a billion dollar company, has or offers no support, no phone number, no email nothing...but depend on third party people who may or may not know or give the correct info to help, and do this free, all the while adobe makes $$$ and runs smaller companies that may have actually better products by getting or buying off reviews etc..that only rave, but never mention issues...the issue im having has been reported by adobe users since version 1, yet has not been addressed or even mentioned...why shouldusers get little true support from adobe, get a product that has un addressed issues is messed up...it would be like ford making newer vehicles say a f150, advertising all the bells and whistles , but knowing since their 2008 model  that if you go over 70 mph for more than 100 miles the engine will just shut off, then have know way to contact them to solve the problem...had no mechanics to fix it...no warranty...that would be insane...but yet companies like adobe and microsoft do this all the time, but since its notlife threatening as driving a truck would be somehow we accept it as ok....yet it sickens me the hardearned money spent on their products, its an investment,  like whether or not to go canon or nikon..your investing in the company its not easy to switch once you make that intial choice...  adobe and microsoft continously advertise all the so called (al beit meaningless) upgrades or improvents which are more fluff than  worth while improvent, but the way they present them you feel you need them...if they went back to the true ethics of buisness and american pride they would focus moe money and attention to customer service,  and truly improving the product rather than how to sell more...but then they know like my camera example once you choose your theirs...sad...i had an adobe salesman out right lie to me and misrepresented a product, as i was having an issue getting sound to work in creating a video of my granddaughters birth...i was using an older version, told him all the info , he said if i upgraded i would have no trouble, so i did...the sound still didnt work . Then they suggested another program to convert the files more money down...the other company also makes video editing programs, once that work...and cost less...but i am all tied up in adobe spending hundreds all ready...sad ...very sad...now that ive had some issues and have gone back and done more researching i see all tge issues, many go back 10 plus years and have yet to be addressed...yet many otherless known third party companies had similar issues, corrected them , are cheaper, have support teams but arent pushed in every photo magazine etc...and arent known where giants like Adobe that dont address there issues have or offer no Adobe paid support, yet through their money and muscle to dominate magazines, and web, by controlling how things are precieved....sad in deed...the more i learn, and experience the sadder things are....but enough complaining sadily im invested in adobe for now till i get rich,  just want the crap to work...so i can get my cherished pictures , once in a lifetime pics of my granddaughter  back...to bad people have to place faith in a company and risk loosing all the pictures that mean something to them,and realize the comoany only truly cares about $$$...sad

  • Have a  problem with Lightroom 5.4.  Since the program crashed yesterday it won't launch, it comes up with the message "Lightroom encountered an error when reading its preview cache and needs to quit".  "  Lightroom will attempt to fix this problem net ti

    Have a  problem with Lightroom 5.4.  Since the program crashed yesterday it won't launch, it comes up with the message "Lightroom encountered an error when reading its preview cache and needs to quit".  "  Lightroom will attempt to fix this problem next time it launches".  Except that it doesn't, I keep getting the same message and the program closes.  Does anyone know what I  can do to repair it?  Can't back up, can't do anything.

    There are dozens of threads in this forum that describe the fix

  • Lightroom encountered and error when reading from it preview cache and needs to quit

    A power outage caused my Lightroom 5.2 to shut down without closing.  When I powered back up and opened lightroom it gives me an error "Lightroom encountered and error when reading from it preview cache and needs to quit" and then it says it will try to fix it the next time it opens. I have opened it 20 times and it is not fixing it. I removed the program completely and upgraded to 5.5 AND it is still giving me the same error.  Is my catalog corrupt or something? I had it set to automatically load the most currently used catalog, so it is not allowing me to open or start a new catalog either. HELP!!!

    Search the forum, this has been answered many times.

  • Lightroom encountered an error when reading it's preview cache

    I been getting this error for over 2-3 months and thought it would go away with the new version releases, i tried all the standard fixes,deleting the catalog,compacting etc. even moving it to new folder, reinstalled the software twice.  The whole nine yards. IMHO, there's a problem with the software, it may be uique with differetent type of machine setup or a corrupt file in the in the catalog and the compacting doesn't fix it.
    The error always happens while in the develope and crashed, has to leave the software (sometimes it just hangs the software and you have to kill the task manually).  You have at least 10-15 seconds before going back in, otherwise it will still crash, a thread is still occuring from the orginal crash and still completing it's task. That's the error, annoying as heck.
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    Any NEW ideas would be appreciated (no compact, no new catalogs, new installs, turn off various options cache preview etc. move to new folder and more.....done that etc.).

    The error is exactly what's it in  the title of the post, Lightroom encountered an error when reading from its preview cache and needs to quit.  That's it.
    I don't know what else to tell you, i wish I had more.  This is all over the internet, I followed pretty much all the solutions, delete the catalog or delete the preview folders (tried both).  Tinker with the cachee preferences.   Most people kill the preview folders and the catlog gets recreated and there problem is resovled, doesn't work for me.
    No cloning, totally two different catalogs (not networked etc.)  a good question though.
    When I am refering to catalog and cache, I strictly talking about LR only, nothing outside of that or in the operating system, just LR files only, here they are:
    I  have a   LR catalog folder called--->   C:\Users\Mark\Documents\LightRoom Catalog\LR_Catalog
    you have another folder called: LR_Catalog Previews.lrdata   (with many subfolders underneath at)
    and I have LR catalog filein C:\Users\Mark\Documents\LightRoom Catalog\LR_Catalog
    LR_Catalog.LRCAT
    That's it, a file and a folder with many sub-folders.  I'll get a screen print with error next, but it's basically what I said earlier in the beginning, you can be in develope or even the library, and error occurs in a message box, you hit ok and the application exits. On average it can happen 6-7 times with an hour and sometimes not at all, working with same the photos.  Sometimes it can happen within mintues, sometimes not at all for over 2 hours.  There is no specific pattern to it. 

  • I'm unable to open up Lightroom 5, I get this message in a pop up box: "Lightroom encountered an error when reading from it's preview cache and needs to quit" Underneath  that is "Lightroom will attempt to fix this problem the next time when it launches."

    I'm unable to open up Lightroom 5, I get this message in a pop up box: "Lightroom encountered an error when reading from it's preview cache and needs to quit" Underneath  that is "Lightroom will attempt to fix this problem the next time when it launches."  It hasn't, what should I do? Thanks Shawn (Irish Se7en) .

    Can you try to rename (not delete!) the folder named "YOUR_CATALOG_NAME Previews.lrdata" and restart Lightroom?

  • "Lightroom encountered and error when reading from its preview cache and needs to quit"

    I keep receiving this error every time I open LR, "Lightroom encountered and error when reading from its preview cache and needs to quit" and the app won't open. It said LR would try and fix this error next time I opened it but the error remains. I tried uninstalled and installing the app and the error remains.
    Any Ideas here? Is there another app that may be telling it where to look for the cache and it no longer there? I was using a ramdisk for a bit but ditched it. Not sure if that has something to do with it but it seems suspect.
    Your thoughts?
    --Kenny Brandon Wilson

    Talked to Adobe support this morning, this is their response in case anyone else is looking for help. I'm running a Windows 7 box, LR 5.6.
      Gokul: Click on start and type %appdata%, then open roaming folder.
      Edward: ok
      Gokul: Open Adobe folder.
      Gokul: Open Lightroom folder.
      Gokul: Open Lightroom folder> Preferences.
      Edward: ok
      Gokul: Rename Lightroom 5 Preferences.agprefs file as Lightroom 5 Preferences.agprefsOLD.
      Edward: OK
      Gokul: Please check if you can launch Lightroom without any error.
      Edward: it shows me a welcome screen and is asking me to select my country
      Edward: aka, register the software
      Gokul: You can skip and launch it.
      Edward: LR catalog not found
      Gokul: Please select the catalog.
      Edward: my original catalog?
      Gokul: Yes.
      Edward: testing integrity of catalog
      Edward: loaded just fine
      Gokul: Okay.
      Gokul: Please check if you can re-launch it again.
      Edward: yes, it worked!
      Gokul: Excellent!
      Gokul: Since your preferences were corrupted you were facing issue so we renamed the preferences file to reset it.
      Edward: aha....ok
    All of my import/export presets were intact along with develop user presets. I'm happy as a clam for my $10/month!

  • LR encountered an error when reading from its preview cache and needs to quit.

    I have the 30 day trial version of Lightroom.  I was able to use it for one week, but the past 1.5-2 weeks, it has been locked up and giving this error message.  How do I resolve the problem?  And how do I reset the 30 day free trial?  I would like to have time using the product, before deciding on the annual contract.
    "LR encountered an error when reading from its preview cache and needs to quit.  Lightroom will attempt to fix this problem the next time it launches."
    Thank you.

    Delete the preview cache from the Lightroom folder in your Pictures folder if you used the default placement. It has the extension .lrdata.
    You cannot reset the trial period.

  • I keep receiving this error every time I open LR, "Lightroom encountered and error when reading from its preview cache and needs to quit" and the app won't open. It said LR would try and fix this error next time I opened it but the error remains. I tried

    I keep receiving this error every time I open LR, "Lightroom encountered and error when reading from its preview cache and needs to quit" and the app won't open. It said LR would try and fix this error next time I opened it but the error remains. I tried uninstalled and installing the app and the error remains. I have windows 8. Can anyone please help???

    Use Windows Explorer to open the folder containing your catalog. The normal location is Pictures\Lightroom. Locate a folder with the extension .lrdata and delete that folder. Then you should be able to start Lightroom again, and Lightroom will begin building and new previews folder. Do not delete anything else.

  • It says Lightroom encountered an error when reading from a previous cache and needs to quit. Light room will attempt to to fix the problem the next time it launches.

    how do i fix this. It says Lightroom encountered an error when reading from a previous cache and needs to quit. Light room will attempt to to fix the problem the next time it launches.

    Have a look at this thread.
    Lightroom encountered an error when reading from its preview cache and needs to quit.  Lightroom will attempt to fix this problem the next time it launches"."

  • Error Launching LR 5: "Lightroom encountered an error when reading from its preview cache and..."

    Error Launching LR 5: "Lightroom encountered an error when reading from its preview cache and needs to quit.  Lightroom will attempt to fix this problem the next time it launches."
    I've tried renaming my catalog.lrcat file.  I've copied over my most recent backup of the catalog.lrcat and that didn't work either.

    On Mac:
    PS - to open the previews "folder" (a "package" is just a "special" folder) on Mac, ctrl-click and choose "Show package contents.." - same way you open any other special folder, like .app or .lrplugin..
    Rob

  • Upgraded to 5.4 when opening lightroom get a message "encountered an error when reading from its preview cache and need to quite" tried this several time but get the same eror message

    Upgraded to 5.4 when opening lightroom get a message "encountered an error when reading from its preview cache and need to quite" tried this several time but get the same error message.  Says Lightroom will attempt to fix the problem the next time it launches but that is not happening.  How do it fix this?

    Delete the preview cache using your operating system. It is a folder whose name ends with Previews.LRDATA. Do not delete the Lightroom catalog, which ends with .LRCAT

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