!ERROR=45 - Invalid Statement Usage
- 
                                                    
Entering a console-mode-only statement with a line number other than 0.
 - 
                                                    
Entering a run-mode-only statement without a line number. For example, EXECUTE, FOR, NEXT, GOSUB, RETURN, or RETRY return !ERROR=45 when entered without a line number.
 - 
                                                    
Executing an IOL= option that does not reference an IOLIST statement.
 - 
                                                    
Executing a TBL= option that does not reference a TABLE statement.