SWI-Prolog Did You Know Did you know? don't use format/2 to print errors Search Documentation:
Pack logtalk -- logtalk-3.91.1/tests/prolog/functions/bitwise_right_shift_2/tester.lgt

The current version of pack logtalk does not contain a file logtalk-3.91.1/tests/prolog/functions/bitwise_right_shift_2/tester.lgt