A label was used inside an IF, DO/LOOP, or SELECT block, or in the expression being evaluated for an INTERPRET instruction, or in an expression entered during interactive debugging.
The associated subcodes are:
001
INTERPRET data must not contain labels; found "label".
002
Labels are not allowed within a DO/LOOP block; found "label".
003
Labels are not allowed within an IF block; found "label".
004
Labels are not allowed within a SELECT block; found "label".
