| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| CLASS_NUMBER | KLAH-CLASS | C | 18 | Class | ||
| CLASS_TYPE | KLAH-KLART | C | 3 | Class type | ||
| KEY_DATE | SYST-DATUM | D | 8 | SY-DATUM | X | Date |
| LANGUAGE | SYST-LANGU | C | 1 | SY-LANGU | X | Language |
| LEVELS_DOWN | GHCL-STUFE | I | 4 | '0000000001' | X | Explode: top down |
| LEVELS_UP | GHCL-STUFE | I | 4 | '0000000000' | X | Explosion: levels upward |
| Parameter | Reference | Length | Optional | Text |
|---|---|---|---|---|
| CLASS_STRUCTURE | GHCL | 144 | Table of classes found |
| Exception | Text |
|---|---|
| CLASS_INVALID_SIGN | Class contains invalid characters |
| CLASS_IS_ISOLATED | Class has no superior or subordinate classes |
| CLASS_NOT_EXIST | Initial class does not exist |
| CLASS_NOT_VALID | Date is outside validity period |
| CLASS_NO_PREDECESSOR | Class has no superior class |
| CLASS_NO_SUCCESSOR | Class has no subordinate classes |