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The URL string will return a code in which you can decipher what the issue is.
URL Example: http://www.grandkeyclub.com/default.aspx?p=home&E=0
Error Codes
The Error will be at the end of the URL, after the default.aspx?p=home&.
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From here, you may begin to correct the login issue. You may also trying resetting the user's password. Visit our Changing User's Password Guide fore more information.
Downloadable Guide
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