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I tweaked my infopath form by taking out a Lookup field that i no longer needed, and deleting the Data Connection, and now i can no longer submit my form. I get this error:


The SOAP response indicates that an error occurred on the server:

Server was unable to process request. ---> Object reference not set to an instance of an object.


i looked in the log and found a bunch of errors - this one seems to hold a clue:


03/07/2013 16:11:03.70* w3wp.exe (0x1670)                           0x1354  InfoPath Forms Services         Runtime                         82mk    Exception   ...lutions.<>c__DisplayClass7.<VerifyUnpackedSolution>b__6()     at Microsoft.Office.Server.Diagnostics.FirstChanceHandler.ExceptionFilter(Boolean fRethrowException, TryBlock tryBlock, FilterBlock filter, CatchBlock catchBlock, FinallyBlock finallyBlock)  7fa5fbca-2cdc-4214-afe3-eabe9b62cc69
03/07/2013 16:11:03.70  w3wp.exe (0x1670)                           0x1354  SharePoint Server               Unified Logging Service         c91s    Monitorable Watson bucket parameters: SharePoint Server 2010, ULSException14, 41b7c39f "infopath forms services", 0e00178d "14.0.6029.0", fd34ba92 "microsoft.office.infopath.server", 0e00178c "14.0.6028.0", 4dafefab "thu apr 21 01:49:47 2011", 00003708 "00003708", MISSING, 4a6d3421 "nullreferenceexception", 38326d6b "82mk"    7fa5fbca-2cdc-4214-afe3-eabe9b62cc69

any idea what i could do to further troubleshoot this?

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up vote 1 down vote accepted

That means, that your changes are incompatible with previously published (and so hooked by sharepoint) version of the same template which is linked to previously submitted (XML, in case of library forms) data forms generated on the basis of that template.

Such incompatible changes should be made in separate (copy) of template.

Other options (your info is incomplete for qualified guess) are that:

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the first option i'm sure is it. i wish there were better error codes here. anyway i just republished an old form. it isn't 'fixed' but i'm not going to mess with the schema and data connections to figure out what i did that caused the problem, and leave well enough alone. –  April Drake Mar 8 '13 at 19:09
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