These are two different issues: there is no PARSE instruction in this dummy EXEC
type rexxstub exec
/*
Ready; T=0.01/0.01 19:09:23
rexxstub 1 2 3 4 5 6 7 8 9
Invalid character ' ' in fileID ' VSXSTUB EXEC'.
Error 58 running "¡ÁVsxstub": File not found
ABNORMAL TERMINATION (NO RESOURCE CLEANUP) ERRNO 430 DLMalloc aborted.
Ready(00012); T=0.01/0.03 19:12:00????????????????????????????????????????