7552 Unable to create UDT Instance %VSTR - Check message log for possible 7820 errors in library synchronization.
An error was generated while trying to create a UDT instance from UDT Type Identifier.
UDT Instance sub-system.
Syntaxer/Resolver/Optimizer/GNC-EVL and Amp sub-systems.
The UDT developer should make sure the Constructor Function is returning a valid Instance pointer.