I’m using: SWI-Prolog version 8.2.29
I am getting this error while trying to debug a $predicate - setup with tspy($predicate) within prolog engine:
[PCE error: prolog_debugger ->initialise: Argument 1 (int): int' expected, found _3724’]
Remove the prolog engine and run the $predictate directly within calling thread, and there is no problem.
Just see if anyone could smell something obvious from the error message without further details.
Thanks,
Nan