Warning Server: OpenDocEx_impl: Re-throwing after CAL check!
This warning can be caused the CalData.pgo file being inaccessible when a user attempts to open a QVW file on the AccessPoint. This warning will often be preceded in the QVS Event logs by entry
Information CAL allocation: No Named CAL assigned to user "DOMAIN\USERNAME" - usage denied.
If the previous actions do not resolve the issue, it may be necessary to recreate the .PGO files in the Root Folder by following the Qlik Support article How to recreate out of sync or corrupt CAL data