sap-pp

## 1. MRP (Material Requirements Planning) ### Planning Run - **MD01** (ECC / S/4HANA): classic total planning run for the configured planning scope - **MD01N** (S/4HANA): MRP Live → HANA-optimized, faster, recommended - **MD02**: single-item, multi-level MRP (for testing / selective re-planning) - **MD03**: single-item, single-level ### MRP Types (Material Master MRP 1 view) | Type | Description | |------|-------------| | PD | MRP — demand-driven (standard) | | VB | Manual reorder point | | VM | Automatic reorder point | | ND | No MRP | ### Lot Sizing Procedures | Key | Description | |-----|-------------| | EX | Lot-for-lot (exact demand quantity) | | FX | Fixed lot size | | WB | Weekly lot size | | MB | Monthly lot size | | HB | Replenishment up to maximum stock level | ### Exception Messages (MD04) Do not memorize a universal numeric lookup table. Interpret the exception text, exception group, element type, requirement/receipt dates, firming state, and the plant's rescheduling horizon/tolerance settings shown in the actual system. An exception is a planning signal, not authorization to move or delete supply. --- ## 2. Production Order ### Lifecycle ``` CO01 (Create) → governed Release → Goods Issue (MIGO 261) → Confirmation (CO11N) → Final Confirmation → TECO (technically complete) → Settlement (KO88) → CLSD (closed) ``` ### Key T-codes | T-code | Description | |--------|-------------| | CO01 | Create production order | | CO02 | Change production order | | CO...