Message
Blob in the DocumentData object table is not valid.
Severity
Crucial.
Detailed Description
A file that was blobbed into the database is not usable. This problem can occur due to the deletion of the file after it was un-blobbed to the disk and before blobbing the modified file.
Possible Cause
A workflow that creates this problem has not been identified yet.
Possible Impacts
You may lose some manually placed labels or dimensions, and user graphics modifications.
What You Should Do
Run the Database > Integrity command to identify the blobs, and then run the Clean Database custom command to remove these objects.