Errors and error handlers 17 7 NEW
| Command | Short Description | |
| EXITRPL | Panic exit - abort the RPL engine. | NEW |
| EVAL1NEXT | Perform EVAL1 on the next object in a secondary and skips it | NEW |
| RESUME | End error handler and resume execution of main program | NEW |
| DOERR | Issue an error condition | CHANGED |
| ERRN | Recall the previous error code | CHANGED |
| ERRM | Recall the previous error message | CHANGED |
| ERR0 | Clear previous error code | |
| HALT | Halt the execution of RPL code | |
| CONT | Continue execution of a halted program | |
| SST | Single-step through a halted program, skip over subroutines | |
| SST↓ | Single-step through a halted program, goes into subroutines | |
| KILL | Terminate a halted program | |
| SETBKPOINT | Set a breakpoint on a halted program | NEW |
| CLRBKPOINT | Remove a breakpoint | NEW |
| DBUG | Halt the given program at the first instruction for debugging | |
| BLAMEERR | Issue an error condition, blame other program for it | NEW |
| EXIT | Early exit from the current program or loop | NEW |