From CometWiki
Internet Basic Compiler Error Messages
Number Error Message
===================================================================
00 System error - Reload and restart
01 Missing keyword, punctuation
02 Cannot redefine symbolic constant at execution time
03 Variable referenced is incorrect type or undefined
04 Variable has been previously defined
05 Out of range parameter (constant)
06 Array too large (9999 bytes maximum)
07 Unnecessary characters following a statement
08 Statement number previously declared
09 Invalid syntax for hex field
10 Non-numeric FOR/NEXT parameter
11 Invalid loop statement
12 Invalid string constant termination
13 Nested FOR/NEXT loop using same control variable
14 Invalid conditional statement
15 FOR/NEXT nesting error
16 No matching FOR statement
17 Statement number required
18 FORMAT number not declared
19 Argument/subscript error
20 Incorrect number of expression operands
21 Precision will overflow accumulator
22 No path to this statement
23 No space to evaluate expression
24 Precision conflict (FOR/NEXT)
25 We've only got one string accumulator
26 String length not declared
27 BREAK or CONTINUE found, no FOR/DO
28 Integer out of range
29 Operand/operator type disagreement
30 Unbalanced parentheses
31 Numeric expression required
32 Logical expression required
33 Expression operator not allowed
34 No DO loop conditional clause
35 String expression required
36 Fraction, where integer required
37 Integer/symbolic constant required
38 -reserved for future use-
39 Invalid usefile parameter
40 LOOP statement has no preceding "DO"
41 SELECT/CASE sequence error
42 CASE: "FROM" with no "TO" or "THRU"
43 "CASE ELSE" no last "CASE"
44 MTB51 read\write error
45 .ELSE without .IF
46 Unrecognizable compiler directive
47 - reserved -
48 - reserved -
49 - reserved -
50 - reserved -
51 Program exceeds 64K
52 Too many internal statements
53 Array element not allowed for SELECT CASE expression