Earlier I was running @sam.neaves example
https://swish.swi-prolog.org/p/scasp_error.pl
Now using @joeblog SQL tutorial
https://swish.swi-prolog.org/p/sql2prolog.swinb
run first query by clicking
college(CName, State, Enrollment).
Result
EDIT
Minimal reproducible example.
- Hard restart of PC
- Open Chrome internet browser
- Open URL:
https://swish.swi-prolog.org/p/sql2prolog.swinb
- For
college(CName, State, Enrollment).
click