PowerBuilder · Runtime error
What does R0084: Wrong number of arguments passed to function or event mean in PowerBuilder?
A function or event was called with a different number of arguments than its declaration specifies.
A function or event was called with a different number of arguments than its declaration specifies.
Check the call against the current declaration, especially after a function signature was changed but not every call site was updated, and confirm the object referenced is running the version of the class you expect, not a stale compiled copy.