The format of the return value of the externally defined function is invalid. Group name = aa....aa, class name = bb....bb, method name = cc....cc

aa....aa: Group name
bb....bb: Class name
cc....cc: Method name

Description:

The type of return value of the method specified in the externally defined function cannot be used in CQL.

System processing:

Suspends query group registration.

Action to take:

Revise the type of the method's return value.