We will be providing a way to get a complete list of error codes programatically in a future release. Meanwhile, here is an unofficial list, not guaranteed to be completely correct, but probably almost so.
ERR_OKAY : &hFF
ERR_NORMAL_END : &hFC ' normal, but terminate execution. END, shell "exit", window closed, etc.
ERR_VALUE_RETURN : &hE2 ' return executed, and a value returned on the stack
ERR_INTERNAL : &hFE ' A condition that shouldn't occur did
ERR_UNDEFINED_OPCD : &hFD ' A opcode that we don't handle
ERR_UNDEFINED_OP : &hFB ' An expression operator that we don't handle
ERR_MISSING_PARN : &hFA
ERR_STACK_UNDER : &hF9 ' nothing on stack to pop
ERR_BREAK : &hF8 ' scriptBreak() called
ERR_STOP : &hF7 ' stop statement executed
ERR_RO0 : &hF6 ' bscNewComponent failed because object class not found
ERR_RO1 : &hF5 ' ro function call does not have the right number of parameters
ERR_RO2 : &hF4 ' member function not found in object or interface
ERR_RO3 : &hF3 ' Interface not a member of object
ERR_TOO_MANY_PARAM : &hF2 ' Too many function parameters to handle
ERR_WRONG_NUM_PARAM : &hF1 ' Incorect number of function parameters
ERR_RVIG : &hF0 ' Function returns a value, but is ignored
ERR_NOTPRINTABLE : &hEF ' Non Printable value
ERR_NOTWAITABLE : &hEE ' Tried to Wait on a function that does not have MessagePort interface
ERR_MUST_BE_STATIC : &hED ' interface calls from type rotINTERFACE must by static
ERR_RO4 : &hEC ' . operator used on a variable that does not contain a legal object or interface reference
ERR_NOTYPEOP : &hEB ' operation on two typless operands attempted
ERR_USE_OF_UNINIT_VAR : &hE9 ' illegal use of uninited var
ERR_TM2 : &hE8 ' non-numeric index to array
ERR_ARRAYNOTDIMMED : &hE7
ERR_USE_OF_UNINIT_BRSUBREF : &hE6 ' used a reference to SUB that is not initilized
ERR_MUST_HAVE_RETURN : &hE5
ERR_INVALID_LVALUE : &hE4 ' invalid left side of expression
ERR_INVALID_NUM_ARRAY_IDX : &hE3 ' invalid number of array indexes
ERR_UNICODE_NOT_SUPPORTED : &hE1
ERR_NOTFUNOPABLE : &hE0
ERR_STACK_OVERFLOW : &hDF
ERR_SYNTAX : &h02
ERR_DIV_ZERO : &h14
ERR_MISSING_LN : &h0E
ERR_OUTOFMEM : &h0C
ERR_STRINGTOLONG : &h1C
ERR_TM : &h18 ' Type Mismatch (string / numeric operation mismatch)
ERR_OS : &h1A ' out of string space
ERR_RG : &h04 ' Return without Gosub
ERR_NF : &h00 ' Next without For
ERR_FC : &h08 ' Invalid parameter passed to function/array (e.g neg matrix dim or squr root)
ERR_DD : &h12 ' Attempted to redimension an array
ERR_BS : &h10 ' Array subscript out of bounds
ERR_OD : &h06 ' Out of Data (READ)
ERR_CN : &h20 ' Continue Not Allowed
ERR_NW : &hBF ' EndWhile with no While
ERR_MISSING_ENDWHILE : &hBE ' While Statement is missing a matching EndWhile
ERR_MISSING_ENDIF : &hBC ' end of code reached without finding ENDIF
ERR_NOLN : &hBB ' no line number found
ERR_LNSEQ : &hBA ' Line number sequence error
ERR_LOADFILE : &hB9 ' Error loading a file
ERR_NOMATCH : &hB8 ' "Match" statement did not match
ERR_UNEXPECTED_EOF : &hB7 ' End of string being compiled encountered when not expected (missing end of block usually)
ERR_FOR_NEXT_MISMATCH : &hB6 ' Variable on a NEXT does not match that for the FOR
ERR_NO_BLOCK_END : &hB5
ERR_LABELTWICE : &hB4 ' Label defined more than once
ERR_UNTERMED_STRING : &hB3 ' litteral string does not have ending quote
ERR_FUN_NOT_EXPECTED : &hB2
ERR_TOO_MANY_CONST : &hB1
ERR_TOO_MANY_VAR : &hB0
ERR_EXIT_WHILE_NOT_IN_WHILE : &hAF
ERR_INTERNAL_LIMIT_EXCEDED : &hAE
ERR_SUB_DEFINED_TWICE : &hAD
ERR_NOMAIN : &hAC
ERR_FOREACH_INDEX_TM : &hAB
ERR_RET_CANNOT_HAVE_VALUE : &hAA
ERR_RET_MUST_HAVE_VALUE : &hA9
ERR_FUN_MUST_HAVE_RET_TYPE : &hA8
ERR_INVALID_TYPE : &hA7
ERR_NOLONGER : &hA6 ' no longer supported
ERR_EXIT_FOR_NOT_IN_FOR : &hA5
ERR_MISSING_INITILIZER : &hA4
ERR_IF_TOO_LARGE : &hA3
ERR_RO_NOT_FOUND : &hA2
ERR_TOO_MANY_LABELS : &hA1
ERR_VAR_CANNOT_BE_SUBNAME : &hA0
ERR_INVALID_CONST_NAME : &h9F
--Mark