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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / WMS Portal crashes
Microsoft Dynamics AX (Archived)

WMS Portal crashes

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Posted on by Community Member

Hi Guys,

I have developed a new screen for Purchase Put-Away in WMS and it works perfectly fine in Ax client. But when we run it in a browser, it gives an error only when a work is completed and the user tries to start another work by entering a WorkId. Basically after the below screen:

WMS-Error.JPG

When I checked in the event viewer, I got a warning which says "Collection was modified after the enumerator was instantiated." After debugging, I got to know that it is failing at the loc:

pass = this.combineMaps(globalPass, pass);

though the value of pass (_sourceMap) inside the method "combineMaps" is not getting modified as suggested by the error.

Please suggest a solution ASAP. Thanks.

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  • André Arnaud de Calavon Profile Picture
    André Arnaud de Cal... 301,075 Super User 2025 Season 2 on at

    Hi Abhishek,

    Probably you have to tell some more details about how you did your development. Can you confirm you did a CIL compilation and also restarted or reset the IIS?

  • Verified answer
    Community Member Profile Picture
    Community Member on at

    Hi Andre,

    Thanks for your reply. I had tried all these things with full compile and CIL too but nothing had helped. But the good news is that finally I have resolved the issue which was coming while combining both the maps. I believe it was because of the way C# & X++ handle maps & collections. I have directly assigned map: globalPass to the map:pass instead of combining. As globalPass always have all the values required by pass to process this had to work and hence it did :)

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