Error 01:  Floating point overflow
 Error 02:  Division by zero was attempted
 Error 03:  Square root argument was negative
 Error 04:  Log argument was negative or zero
 Error 10:  String length error
 Error 11:  String index was not within 1..255
 Error 90:  Array subscript was out of range
 Error 91:  Scalar or subrange value is out of range
 Error 92:  Trunc or Round argument exceeded -32768..+32767
 Error F0:  Overlay file was not found
 Error FF:  Stack/Heap crash