Troubleshooting:

Enhanced Definition

Program Not Found:
```
IEF212I jobname stepname - PROGRAM NOT FOUND
```
* Check STEPLIB specification * Verify program name spelling * Ensure library authorization * Check LNKLST if no STEPLIB
Insufficient Memory:
```
S80A/S878 ABEND - Insufficient Region
```
* Increase REGION parameter * Check actual requirement * Review memory usage * Consider above-the-line storage
Time Limit Exceeded:
```
S322 ABEND - Time Limit Exceeded
```
* Increase TIME parameter * Investigate program performance * Check for loops * Review I/O efficiency
Conditional Execution Issues: * Verify return code values * Check COND logic * Review operator usage * Test step sequence * Examine prior step results

Diagnostic Commands:

Display active job:     DA
Display step info:      DS jobname
Display program:        DP program-name