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silverlight-4.0wcf-ria-services

Silverlight client load operation failed for query "Login". [GenericParameterNotValid]


I have one user who gets the following error when trying to login, "Silverlight client load operation failed for query "Login". [GenericParameterNotValid]". The odd thing is that other users are able to login without issue and I can login using the "problem" account from other machines.

At this point I think it's got to be a client side configuration issue.

My next step is to confirm the Client Side Silverlight Version, but I don't know where to go after that.

Do you have any suggestions?


Solution

    1. Install Silverlight Developer runtime on the client to get more details on the error.
    2. Try deleting the user's profile.

    This thread might help you.