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Unhandled exception. System.InvalidOperationException: Sequence contains no matching element.

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Posted on by 185
Hello all,
 
While working on a report with my own data, I'm receiving the following build error:
An unhandled exception was thrown while validating WWIFreeTextInvoice with callstack System.InvalidOperationException: Sequence contains no matching element at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate
I've looked for similar post here in the community, but due to the software change in the community hosting software the links in some other posts are broken.
 
How do I begin to track down the source of this error?
What can I do to eliminate this error?
 
Thanks in advance.
  • jt1024 Profile Picture
    jt1024 185 on at
    Unhandled exception. System.InvalidOperationException: Sequence contains no matching element.
    So this post was a follow on to https://community.dynamics.com/forums/thread/details/?threadid=3bf9af4d-1557-ee11-be6f-00224827e8f9, and in that post I wrapped it up by describing how I side-stepped the problem.  I still don't know what was up with this:
    An unhandled exception was thrown while validating WWIFreeTextInvoice with callstack System.InvalidOperationException: Sequence contains no matching element at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate"
    error.
     
    I think it's basically a SNAFU.
     
    - Jim
  • jt1024 Profile Picture
    jt1024 185 on at
    Unhandled exception. System.InvalidOperationException: Sequence contains no matching element.
    This is the full error list window for this:
     
    If I'm reading this correctly it seems the next things I should investigate are what this line is telling me:
    Microsoft.Dynamics.AX.Metadata.Extensions.Reports.AxReportDataSetParameterExtensions.GetAssociatedReportParameter(AxReportDataSetParameter datasetParameter, AxReport report)
    Which lead to the:
    Error        Path: [AxReport/WWIFreeTextInvoice]:"An unhandled exception was thrown while validating WWIFreeTextInvoice with callstack System.InvalidOperationException: Sequence contains no matching element
       at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate)
     
    If anyone has any tips or ideas on how to investigate and solve this it would be greatly appreciated.  I feel like I'm blind folded, in the dark, in a barn looking for a needle in a giant haystack.
     
    - Jim
  • Martin Dráb Profile Picture
    Martin Dráb 230,962 Most Valuable Professional on at
    Unhandled exception. System.InvalidOperationException: Sequence contains no matching element.
    Hana's answer is completely off-topic. It's about Telerik Sitefinity, not Microsoft Dynamics.
  • Suggested answer
    Hana Xue Profile Picture
    Hana Xue Microsoft Employee on at
    Unhandled exception. System.InvalidOperationException: Sequence contains no matching element.
    Hi,
    I found a problem similar to yours,

    It mentioned that the reason for this issue may be that the page template used on the page is based on missing layout files.
    And a solution was provided, you can try it:
    1. Go to the Pages view and check the template of the problematic page.
    2. Go to Design>Page templates and check based which Layout file the template is based on.
    3. Go to the dedicated folder and ensure that the file is not missing (e.g., ResourcePackages\ Bootstrap\ MVC\ Views \Layouts)
    Best Regards,
    Hana
     

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