I have a problem after with the Content Query Webpart. The story is that we have taken a database backup, and restored it on the customers MOSS installation.
All seems to work fine, except for the content query webpart, when we select “Modify Shared Webpart” we get the following error:
The given key was not present in the dictionary.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace: [KeyNotFoundException: The given key was not present in the dictionary.]
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