Simulation Loop: Code could not be generated correctly for this VI

Running LabView Simulation 8.2 on Windows XP laptop. I have a Simulation Loop that keeps generating the following error message:
"Simulation Loop: Code could not be generated correctly for this VI"
The only reference I can find in my searches is to using an RTX target, which does not apply. When I click on Show Error it just highlights the Sim Loop
Any ideas on how to debug this?

Perhaps you can start removing things until you don't get the error any more. How big is the code in the loop?
Mike...
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"Code could not be generated correctly for this VI". What does it mean?

What do I have to do to fix this problem?

I am getting this same error which you have already helped somebody else with. Could you be kind enough to help me too. I am attaching my VI, it contains only a Mathscript node whose commands work perfect when typed individually on the Mathscript window.
Regards,
Karan Batra
Attachments:
mathscript_tests.vi ‏16 KB

Compile error (Code could not be generated)

When I try to run the attached vi I get the following error message "Code
could not be generated correctly for this VI."
I use Labview 7.1 under Windows XP.
Attachments:
ParSettings.zip ‏293 KB

The "Representation" enum is defined differently in the "SDO Par In", "SDO Par", PDO Par In" and "PDO Par" clusters. Labview does apparently not recognice this and crashes instead of warning for incompatible data types.

Code could not be generated because an external component or driver is missing

Greetings All,
     I've using Labview for a little over a year and I have an interesting situation with regards to Labview that I came across today. When I left off yesterday (01/11/12) my TestStand sequence was compiling fine. Today for some reason the compiler told me that one of the VI was broken or missing a sub vi. When I made my way through all the sub vi's in the vi that seemed to be a problem I came across "Code could not be generated because an external component or driver is missing".
     The problem started on the computer (NI PXI-8101 with WinXP and Labview 2010) located in a PXI-1044 that is in my Test Stand.  I have a complete backup on my laptop and my desktop computer which both compiling successfully with no errors. I tried installing the directory on another PXI-8101 and got a different set of results.  The first PXI-8101 gave 100+ errors in TestStand pointing to one of my vi's and the other PXI-8101 reported only one (1) error. The vi is basically using DAQmx vi's to create a "write to one line" action. I'm kind of stumped as to why it works on the laptop/desktop and not the PXI computers. All four computer are WinXP professional and Labview 2010. I saw somethings through google search engine but nothing conclusive. I'm hoping that someone can give me an explaination as to what is causing the error as described. Even if I copy over the directory it doesn't fix the problem. Thank you in advance for an information you provide with this rather interesting problem that I've encountered. If you require addition information let me know.
Regards,
Scott
Solved!
Go to Solution.

Greetings Beau,
     Thank you for the reply.
     I loaded the offending VI into Labview (2010) with TestStand inactive. Of course this was after I completely shutdown the computer and re-booted to ensure that nothing was resident in memory. I've included a couple of the error list boxes in this post.
     It comes down to a subvi that is two (2) subvi's deep. All these vi's are doing is commanding a write or read to and from the PXI-6509. When I check the VI at the level that has no broken run arrows (named below), nothing in the block diagram looks out of place as it should since these were installed by Labview installation. The vi that uses these vi's looks total normal and its block diagram doesn't have anything out of the ordinary yet the run arrow is broken. The odd part of this is that the top of the window that states the filename of the vi has an astrex at the end of the filename, even though nothing has changed in that vi.
Here is a list of the deepest level that has no broken run arrow:
DAQmx Create Channel (DI-Digital Input).vi
DAQmx Start Task.vi
DAQMX Read (Digital Bool 1Line 1Point).vi
DAQmx Clear Task.vi
DAQmx Create Channel (DO-Digital Output).vi
DAQmx Write (Digital U8 1Chan 1Samp).vi
     I guess the real question is what is the error message ("External component or driver missing") really telling me if all of the vi's look right. I appreciate any information you can send my way that will give me a better understanding of where this error is coming from. The program I developed had been running without a hitch for a month an all of sudden crash.
Thank you for your time in this matter.
Scott
Attachments:
Write to one port broken VI error list.JPG ‏47 KB
Readfrom one line broken VI error list.JPG ‏46 KB
Broken_VI_Error_Screen.JPG ‏56 KB

I get a message of "Could not find installation information for this machine." after trying to Reinstall Mac OS X.

I would like to repartition the Main HD to two Partitions but could not do so and keep on getting an error message of "Could not unmount disc.." so I tried choosing the "Macintosh HD" partition and tried Partitioning it but the option is not available. So to my frustration I tried clicking on "Erase" to see whether doing so would allow me to finally partition my HD but still can't. And now since I erased my Macintosh HD partition I could no longer boot to Lion.
Before doing the above steps I downloaded the Lion Recovery Disc Assistant and created an external Recovery HD using an 8GB flash drive. I used this as startup destination by choosing it as boot destination from pressing Option before startup. I tried using Mac OS X Utilities to Reinstall Mac OS X from the external drive but I only get "Could not find installation information for this machine." message. I also tried booting from the Recovery HD partition on the HD but i also get the same message.
I have a new iMac that came with OS X Lion 10.7.
Anybody have idea how to fix this?

Partitioning on-the-fly may fail if the disk is too fragmented. You cannot run Erase for the internal disk as it contains its system components. The same if trying to run Boot Camp in order to create the Windows partition, it may fail if disk is too fragmented.
If I correctly understand what you want, then you must boot from an external disk, therefore copy Lion to a 4 GB (or higher) flash drive, run the installer, and then choose the option to partition the disk, this is done after rebooting into the installer from the external drive. You cannot do that if the Lion installer is on the internal drive as it cannot erase or repartition itself.
If this fails (did you try this?), then perhaps you can try to create a Lion boot flash or DVD by using a non-Apple app called Lion DiskMaker, when ready restart, after chime press option / alt key, then choose to boot from this newly created boot disk or flash drive. This reportedly works OK (tried with an older version of Lion, not recently, was OK). It is better to work with a flash drive, Lion is not optimized to run from optical media.
WARNING: disregarding the method, you MUST always back up your data when repartitioning or installing / reinstalling.
Hope this helps to solve you issue. Before any attempt, backup, backup, backup.

Could not find installation information for this machine contact applecare

I installed Lion on my MacBook, worked great. After 2 months I wanted to clean install the Lion on the same Macbook; went to Apple Support website and there they had instructions on how to clean install Lion.
I followed the instructions and erased the partition where the OS Lion was installed. Then I tried to re-install it, it kept saying "could not find installation information for this machine contact applecare".
When I contacted apple care, they asked me to pay 49 dollars in order to get help from them. I already paid the cost for the LION OS and now they want another 49 bucks. This is just insane. I'm not a fan of Apple, Mac or iCrap. But I was thinking to buy a new Mac after selling this one. Now I have no interest in buying any Mac product. Windows 7 is much much better than Lion OS X.
I have to fix this before I sell it on ebay so Has anyone tried to clean install Lion ?

I'm with you, OS X Lion has turned a lot of stomachs.
Here's how to go about what you need to do:
Get out your 10.6 installer disk, make sure it's clean and polished (bit of rubbing alcohol and a very soft cloth)
Get 2 blank external drives, connect one and hold c and boot off the 10.6 installer disk, use Disk Utility to format the external drive use
Erase>Security Option> Zero all data, wait
under the partition tab
1 partition, option MBR, format FAT
Disconnect and reboot.
Repeat the same procedure for the second drive and format the
Erase>Security Option> Zero all data, wait
under the partition tab
1 partition, option GUID, format OS X Extended Journaled
Quit and install 10.6 on the external GUID drive.
Reboot holding the option key, you can boot off the 10.6 external drive, setup, use your same user name as before, update to 10.6.8, grab your files off the OSX Lion partition, transfer a copy to the FAT formatted drive.
What you do is your choice,
To continue using the machine under 10.6
you can erase the entire (select the whole internal drive, not just the OS X Lion Paritition) and use Carbon Copy Cloner to clone 10.6 external to the internal drive,
To sell the machine with a fresh 10.6 install
or simply hold c boot off the 10.6 installer disk and install 10.6 on the internal drive and upon reboot, just hard shutdown by pressing the powerbutton before going through setup. The next person who gets the machine will be greeted by the setup again.
You can use the files on the FAT drive on your Windows PC in some cases.
Else download the free LibreOffice and it can read quite a few file formats.

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I had the same problem yesterday, just go to a place with a better internet conncetion, it will work fine...
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Could not find installation information for this machine

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How do I install or recover system now?

Make sure that your network connection satisfies the requirements for Recovery or Internet Recovery, depending on which you're trying to use. If possible, connect to the router with Ethernet.
Restart the computer and try again.
Connect to a different network, if possible.
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Could not find installation information for this machine for lion

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I guess Lion Internet Recovery has still some issues, maybe it's just my internet connection at home, but yesterday and this morning I was trying to restore Lion at home and the remaining time was of 54+ hours, and it never get to be less than 50 when it crashed..
I shut my computer down and headed to my office and once here, the remaining time showed as 1 and a half hour.
I finally was able to restart my Macbook Pro.
Maybe my router (at home), or mi ISP was blocking Lion Recovery tool or something like that... weird...
My last choice was going to take it to the AppleCare, it's good I didn't have to...
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I got this Could not find installation information for this machine. what i should do now? i can not use my mac, i got this Could not find installation information for this machine. what i should do now? i can not use my mac

i erased my mac then i tried to download the os x mavericks, wich i had before ; however, i got this Could not find installation information for this machine.

You should not have erased anything. Maverick uses some of the applications from the older software and now that you have erased part of the Operating System you are going to need the Original Install disc's that came with your machine. Hold down the C key while installing then do all of the Software updates then you can install Maverick.

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Could not find installation information for this machine.
Contact AppleCare.
Well, when I retirn from the office, AppleCare is not working anymore.
Any idea what to do?
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Singapore ISP Singtel is having issues with Apple Internet Recovery.
There is a need to add proxy access via port 8080.
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Was fortunate that Apple has similar feedback from Singapore user.
So, was told to just bring down Mini to service provider.
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Service provider only reinstate the ori OS X Lion.
Back home, I download and install ML.
This time, made a copy of ML installer in USB stick for future usage.
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Simulation Loop: Code could not be generated correctly for this VI

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