How To Fix TB103 - Table processing not possible (SAP lock table full)

TB103 - Overview

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 103

• Message text: Table processing not possible (SAP lock table full)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TB103 - Table processing not possible (SAP lock table full) ?

  The SAP error message TB103, which states "Table processing not possible (SAP lock table full)," indicates that the lock table in the SAP system has reached its maximum capacity. This can occur when there are too many locks being held in the system, preventing new locks from being created. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  High Lock Usage: The system is experiencing a high number of concurrent transactions that require locks, leading to the exhaustion of available lock entries.
  Long-Running Transactions: Transactions that hold locks for an extended period can contribute to filling up the lock table.
  Configuration Limits: The lock table size may be configured too small for the current workload.
  Unreleased Locks: Locks that are not released due to errors or improper transaction handling can accumulate and fill the lock table.
  
  Solutions:
  
  
  Increase Lock Table Size:
  
  You can increase the size of the lock table by adjusting the parameter enque/table_size