Objheap.cp​p

I have a VI that was generated in Labview 5 under WFWG 3.11. I cannot open it in windows 98; some of the sub VI's open but the main program gives the following error: Failure: "objheap.cpp", line 480.
Any clues. I'm currently using version 6.1. Thanks in advance

You might try posting the VI to see if anyone else could open it... Chances are most won't be able to tell you the meaning of some random error like that without reproducing it or looking at the file(s).

Similar Messages

  • Objheap.cp​p error in 6.0.2

    I've spent several months writing this program. Last Friday LabVIEW crashed while I was changing a complex typedef. Now when I try to open the main vi I get this error:
    Failure : "objheap.cpp", line 733
    LabVIEW version 6.0.2
    I can open and edit all vis and controls in the project except the main vi. Going back to an earlier version of the vi doesn't help. I'm at a loss as to how to fix this. Do I need to try to rebuild this VI? Will reinstalling LabVIEW help? Any ideas are appreciated.
    Thanks,
    Kelly

    Hello KBersch,
    Your VI is probably suffering from the fact that LabVIEW 6.0.2 places a size constraint on the amount of information that can be used to describe the data types of a VI's inputs and outputs, a.k.a. the VI's type descriptor. A type descriptor is an unsigned 16-bit integer that says something like "data associated with me is a 32-bit unsigned integer." In addition to the unsigned 16-bit integer type descriptor of a VI, LabVIEW uses a signed 16-bit integer as a type descriptor of the connector pane, and it is this type descriptor that generally will overflow first. Type descriptors are associated with every piece of data in LabVIEW. A VI's type descriptor includes the data types and names of inputs and outputs of a VI. As the number of front panel objects grows and as data types on the front panel become more complicated, the VI's type descriptor consumes a larger percentage of the memory allocated to store this information. Thus it becomes increasingly more dangerous to add more front panel objects, making the VI's type descriptor larger and more complicated. Eventually, the type descriptor will reach an upper limit, where the amount of memory allocated to store the VI's type descriptor is insufficient for an extremely complicated VI.
    The workaround is to first target the memory hogs that consume a majority of unsigned 16-bit integer that is allocated for your VI's type descriptor. To reduce memory usage, you can try making a copy of any strictly typed VIs (the VIs whose refnums appear on the front panel of your main VI). Then open these copies and DELETE the names of every control and indicator on the front panel such that each element on the front panel has a label, but the label is EMPTY. Now go back your main VI, right-click on the VI refnums, and browse to the copies that were modified. The functionality of the VI refnums will remain unchanged, but your main VI's type descriptor will be significantly reduced in size. Furthermore, the type descriptor of any VI that uses the same cluster should now be reduced because the changes made to the VI refnums within the cluster will propagate accordingly.
    This issue has been resolved in LabVIEW 6.1. You may want to look into upgrading to LabVIEW 7.1, our latest version.
    If none of these suggestions help, or if I�m not correctly understanding your issue, please reply with comments or answers to the discussion above and any additional information that may help, and I�ll be happy to look further into it.
    Have a nice day!
    Robert Mortensen
    Applications Engineer
    National Instruments
    Robert Mortensen
    Software Engineer
    National Instruments

  • Fatal Internal Error : "objheap.c​pp", line 579 - Labview 7.1 running on vista

    Hello,  
    I was developing a project in Labview 7.1 and had saved it on vista when the vista OS decided to enter suspend, Labview 7.1 stopped responding as a result and I had to reboot. I will never trust vista again but when I try to open the VI I get the following error:
    Fatal Internal Error : “objheap.cpp”, line 579.
    And the following text file report is created. What I am wondering is there any way to restoring or uncorrupting this VI which is attached. Sub VI’s are not included but if you can get the VI to open even without them then the problem is sorted.
    #Date: 25 Feb 2009 12:13:28
    #OSName: Windows NT
    #OSVers: 5.1
    #AppName: LabVIEW
    #Version: 7.1
    #AppKind: FDS
    D:\lvmerc\src\source\objheap\objheap.cpp(579) : DAbort: Heap has insane block size
    $Id: //labview/branches/Mercury/dev/source/objheap/objh​eap.cpp#3 $
    0x009DFC85 - LabVIEW <unknown> + 0
    0x007080AC - LabVIEW <unknown> + 0
    0x007079E1 - LabVIEW <unknown> + 0
    0x00A66716 - LabVIEW <unknown> + 0
    0x00706B02 - LabVIEW <unknown> + 0
    0x006073AE - LabVIEW <unknown> + 0
    0x0070532B - LabVIEW <unknown> + 0
    0x00A653E5 - LabVIEW <unknown> + 0
    0x00A66911 - LabVIEW <unknown> + 0
    0x009ED231 - LabVIEW <unknown> + 0
    0x005ADED7 - LabVIEW <unknown> + 0
    0x004B7F79 - LabVIEW <unknown> + 0
    0x004B7EA7 - LabVIEW <unknown> + 0
    0x004B7CF9 - LabVIEW <unknown> + 0
    0x004B8492 - LabVIEW <unknown> + 0
    It also managed to corruptly my library file for the project which I cannot open also and is attached,
    Thank you
    Message Edited by Support on 03-02-2009 08:50 AM
    Attachments:
    looptest.vi ‏1743 KB
    AbbottHMITree.llb ‏4063 KB

    Hello Paul,
    I have been looking into your error code as well as the attached files of your VI and LLB.  Pasting in your error code is proving very helpful in trying to help you.  I initially tried to open your files in my system, where I would possibly be able to resave them for you, however it looks like I will have to try a different approach.
    As I understand it, you have been using LabVIEW 7.1 Full Development System with Windows Vista.  LabVIEW 7.1 was released during the years when only Windows 2000 and XP were available.  With the release of Windows Vista in later years, National Instruments produced LabVIEW 8.2.1 with support for Windows Vista Business or greater. 
    Please reply with the following information:
    Are you using Vista 32-bit or 64-bit?
    Are you still able to open the LabVIEW Development Environment to produce new VIs?
    Have you tried to open other VIs (after backing them up) with LabVIEW 7.1?
    Regards,
    George T.
    Applications Engineering Specialist
    National Instruments UK and Ireland

  • Objheap.cpp error in application builder

    Hello everybody.
    I am trying to build my application but I get the error: error in objheap.cpp line 474.
    I have seen in previous answers in the discussion forums that someone got the same error, but not in the application builder but when trying to open the main.vi of the application in the development system. I have read that the reason for that was that a vi became corrupted.
    But this is different. The error message is the same, but I can open the main vi of my application in the development system with no problems. I only get the error message when I run the application builder trying to build the application.
    Anyone can help me?
    Thanks in advance

    Even though VI runs fine in the development environment, it may still be corrupted. It might be the case that there is an error in the vi.lib VIs. I recommend copying the block diagram of the VI in question to a new VI and rebuilding. If that does not help, consider a reinstall of LabVIEW or posting your VI to see if others can build it.

  • Can somebody fix my corrupted subvi, error "Fatal Internal Error" "objheap.cpp"

    Hello,
    I have been strugling to open this file after a reboot due to not responding computer. The file is a part a larger library however, this is the part that is not responding and giving "Fatal Internal Error" "objheap.cpp" . 
    Does anyone know how to fix this issue or how to repair this file.
    I am using a LabView 2012.
    Thank you for your time.
    Attachments:
    Corrupted.llb ‏149 KB

    Hi obarriel,
    that could be a tricky job as LV2013 claims "block diagram can't be opened"!
    Meanwhile you should learn two things:
    - using LLBs isn't recommend practice nowadays (atleast not for storing daily work VIs)
    - make a backup of your works on a regular basis (using SVN/GIT is recommended too…)
    Best regards,
    GerdW
    CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
    Kudos are welcome

  • I am gettign objheap.cpp error

    i had a cluster ( pretty large one ), i added few more controls to the cluster. when i tried to open the main vi where this custer is a contol in the FP, further the cluster is used for processing(updating , reading etc)in the code.
    When i try to open the main vi with the modified cluster i get objheap.cpp error and the labview closes by itself when i press ok. What could be the reason for this problem.
    Is there any precaution i need ahere to when working with large clusters.

    Did you get a line number? That would go a long way to finding the reason for the error.
    I believe that your VI has become corrupted due to the number of controls on your front panel. Not counting the controls in the clusters, how many objects do you have?
    The following link points to another link that discusses the interal errors of LabVIEW. It might help.
    http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=50650000000800000007510000&ECategory=LabVIEW.Datalogging+and+Supervisory+Control

  • Problems:communication with Delta Tau's pmac,always happen objheap.cpp1013 and fpsane.cpp433

    Now  I am trying to create vis that use Delta Tau's Pmac DLL to communicate with and control servo motion .  actually I try to make use of LV's calling library function node simplely . But i come with objheap.cpp1013 and fpsane.cpp433,i very appreciate every good man for helping me . 
    Attachments:
    vi.zip ‏538 KB

    Sorry, but I can't open your VI's.  Look at this thread for a simple example of dll comms: http://forums.ni.com/ni/board/message?board.id=170&message.id=148826&query.id=5780872#M148826  You still need to open comms to PMAC using the dll.  You can download PEWIN32PRO2 from Delta Tau and it will install the Pcommserver.  The program will run in demo mode for 30 days, but the Pcommserver is unrestricted.  You will have no documentation for the ActiveX calls unless you buy the comms library from Delta Tau.  If you know the PMAC commands, you should be able to figure out the ActiveX calls using the example I provided in the other post.

  • Error in LV 6i

    I've got an error with Labview 6i. I tried to load a VI, and I got the
    error: "error in objheap.c line 474". Anyone else got this error? The
    NI web site says that I have a corrupt VI, but it loads up in LV5. Any
    help on this would be appreciated.
    Thanks,
    Kevin Mescher
    Sent via Deja.com http://www.deja.com/
    Before you buy.

    Hi Kevin,
    I just got a similar one: objheap.cpp line 1067 when I tried to load a VI on 6.1. This happened when it was searching for a sub VI that hadn't been installed. So I tried to install the other software (another NI disc with advanced IMAQ stuff on it) and it gave me the error, "Aborting: you do not have a proper installation of LabVIEW" during the setup routine. But I tried uninstalling and reinstalling several times. Has anyone else responded to your question? Thanks, Leo

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