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Microsoft Dynamics CRM (Archived)

Value cannot be null. Parameter name: source (from plugin)

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Posted on by Martin Donnelly

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An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):

System.ArgumentNullException: Value cannot be null. Parameter name: source

ColumnSet OQOcols = new ColumnSet(true);

Entity OQO = service.Retrieve(entity.LogicalName, entity.Id, OQOcols);

"opportunity", accurate guid, cols -- nothing is null

I have no idea what parameter "source" is. It worked last week.

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Martin Donnelly 1,030 on at

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weird

after more attempts the debugger got past that retrieve until I found the actual error: something.Where<Entity>(y => y.Id == product.Id); when something was null.

Sorry. Mystery solved.

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