0 Invalid character
1 Incorrect number
2 Incorrect word
3 Identifier table is full
4 Invalid symbol
5 Syntax error
6 Abnormal end
7 Number too great
8 Already defined with a different type
9 Strings cannot exceed one line
10 Stack is full
11 End has already been reached
12 Word too long
13 Grammar file (.GRM) not found
14 Keyword table full
15 Keyword too long
16 Incorrect grammar file (.GRM)
17 Grammar table full
18 Grammar rule too long
19 ***ERR line %d
20 %s\n%s
