Message type: E = Error
Message class: /SAPAPO/ATP_BOP -
Message number: 153
Message text: Item &1/&2 has not been updated, as the purchase order was locked
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/SAPAPO/ATP_BOP153
- Item &1/&2 has not been updated, as the purchase order was locked ?The SAP error message /SAPAPO/ATP_BOP153 indicates that an item in a purchase order has not been updated because the purchase order is locked. This typically occurs in the context of Advanced Planning and Optimization (APO) when there are concurrent processes trying to access or modify the same purchase order.
Cause: Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a purchase order is being edited or processed by another user or transaction, it will be locked, and other processes will be unable to update it. Long-running Transactions: If a transaction takes too long to complete, it can hold locks on the purchase order for an extended period, leading to this error for other users or processes trying to access it. Background Jobs: Sometimes, background jobs that are processing data can also lock the purchase order, preventing updates.
Solution: Check Lock Entries: Use transaction code SM12 to check for lock entries related to the
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