How To Fix MMRP01554 - LiveCache lock-conflict

MMRP01554 - Overview

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 554

• Message text: LiveCache lock-conflict

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01554 - LiveCache lock-conflict ?

  The SAP error message MMRP01554 indicates a lock conflict in LiveCache, which is a component used in SAP for managing large amounts of data in real-time, particularly in applications like Advanced Planning and Optimization (APO). This error typically arises when multiple processes attempt to access or modify the same data simultaneously, leading to a conflict.
  
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same data in LiveCache at the same time.
  Long-Running Transactions: A transaction that takes a long time to complete may hold locks longer than necessary, causing other transactions to wait and eventually time out.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks, leading to a deadlock scenario.
  
  Configuration Issues: Incorrect configuration of LiveCache or the underlying database can also lead to locking issues.
  
  
  Solution:
  
  Identify the Locking Process: Use transaction codes like SM12 (for database locks) and SM21 (for system logs)