Transports are how change reaches production in SAP. When an import fails, it’s usually for one of a handful of reasons — and most are preventable.
Know your return codes
| Code | Meaning | Action |
|---|---|---|
0 |
Success | None |
4 |
Warnings | Review the log, usually safe |
8 |
Errors in some objects | Investigate before continuing |
12 |
Fatal / aborted | Stop and fix before re-import |
The usual suspects
- Missing dependencies. Transport B relies on an object in transport A, but A hasn’t been imported yet.
- Wrong import order. Importing out of sequence overwrites newer changes with older ones.
- Objects locked in another request. Two developers changed the same object in separate transports.
Habits that help
- Import in the same order the transports were released.
- Keep a release note for every transport: what it does and what it depends on.
- Use
STMSimport queues rather than ad-hoc single imports in production.
