3 Can't locate package %s for @%s::ISA [S_isa_lookup]
8 # universal.c [S_isa_lookup]
12 UNIVERSAL::isa $a, Jim ;
14 Can't locate package Joe for @main::ISA at - line 5.
15 Can't locate package Joe for @main::ISA.
16 Can't locate package Joe for @main::ISA.