Message type: E = Error
Message class:  ICC_CN - Nachrichten zum Druck vornumerierter SD-Belege 
Message number: 860
Message text: Cannot lock book &1 in lot &2
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The SAP error message ICC_CN860 indicates that the system is unable to lock a specific book in a particular lot. This typically occurs in the context of inventory management or financial transactions where concurrent access to a resource is restricted to maintain data integrity.
Cause: The error can be caused by several factors, including: Concurrent Access: Another user or process is currently accessing or modifying the same book and lot, preventing your transaction from acquiring the necessary lock. Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected, causing subsequent attempts to fail. System Configuration: There may be configuration settings that affect how locks are managed in your SAP environment. Database Issues: Sometimes, underlying database issues can lead to locking problems.
Solution: To resolve the ICC_CN860 error, you can try the following steps: Check for Active Sessions: Use transaction codes like SM12 (to view lock entries) to check if another user
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