Issue
The Data Server failed to initialize properly.
Environment
LNS
NL220
Vista
Cause
This exception could be thrown if your application specifies an invalid name or index number when retrieving an object from the LNS database.
This error can occur when trying to monitor a variable with the DataServer of LNS 3.08.
Resolution
It is a corrupted database error. The best thing to do is to come back to a previous backup of your database