The MAXNEST option specifies the maximum nesting of various kinds of statements that should be allowed before the compiler flags your program as too complex.
.-+---+-------------------. | '-,-' | V .-17-. | >>-MAXNEST--(----+-BLOCK--(--+-x--+--)-+-+--)------------------>< | .-17-. | +-DO--(--+-x--+--)----+ | .-17-. | '-IF--(--+-z--+--)----'
The value of any nesting limit must be between 1 and 50 (inclusive).
The default is MAXNEST( BLOCK(17) DO(17) IF(17) ).