Solution : https://service.sap.com/sap/support/notes/79634 (SAP Service marketplace login required)
Summary :
Lock issues in transaction SM12 related to CCSS lock object can occur during manual planning or its auxiliary functions, affecting concurrent processing of distinct cost center groups. SAP's lock management approach limits lock entries to 50 to prevent system overload, employing a mix of exact and generic 'wildcard' locks for characteristics that appear multiple times. Generic locks can inadvertently cover unrelated single values, leading to described lock problems. Adjustments to this logic, including increasing maximum lock entries or exclusively treating certain characteristics, can be implemented to optimize lock efficiency, details of which can be customized as per organizational needs.
Key words :
system parameter enquue/table_size, cost element names are400000400001400010400100400@@@, maximum lock entries createdt, left hand side, processing object groups, independent include lkadsmax, tab = coomplanningfield = maxlocksin, flat-rate values, relevant customizing entry, symptom lock problems
Related Notes :
| 1507976 | SchedMan: Workflow does not continue to run |
| 940407 | KP 26: Message KI 501 with same activity type |
| 928967 | KP46 and following: Terminatn due to overflow of lock table |
| 644364 | KP06ff.: Message KI501 with same activity type |
| 643483 | KP26: KI501 for the same activity type |
| 525131 | RAKOPL: Table locks for the test run |
| 514681 | Extension of the lock logic for splitting |
| 512594 | Lock logic with template allocation |
| 500728 | Enhancement of lock logic for price calculation |
| 446308 | KP06ff:checks and locks in planning |
| 402102 | SAPLKIPL: KI501/KP571 for key figure planning |
| 396215 | KP06FF: locks are ignored |
| 391316 | INFORMATION: CO-OM (Planning) |
| 385323 | KP06FF: locking with several years or versions |
| 372667 | KSPU: Object lock for revaluatn not specific enough |
| 352226 | SAPLKIPL: CCSS locking inaccurate |
| 97760 | Enqueue: Performance and resource consuption |
| 79248 | KP06..: locks are too general |