How To Fix IST30300 - ***** 300 to 399 reserved for locking/unlocking with XI *****************

IST30300 - Overview

• Message type: E = Error

• Message class: IST30 - Contract A/R + A/P - Paying - Dunning - Disconnect..IST/FICA

• Message number: 300

• Message text: ***** 300 to 399 reserved for locking/unlocking with XI *****************

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IST30300 - ***** 300 to 399 reserved for locking/unlocking with XI ***************** ?

  The SAP error message IST30300, which falls within the range of 300 to 399 reserved for locking/unlocking with XI (Exchange Infrastructure), typically indicates an issue related to the locking mechanism in the SAP system, particularly in the context of integration scenarios.
  
  Cause:
  
  Locking Conflicts: This error often arises when there is a conflict in the locking mechanism. It can occur if multiple processes are trying to access the same resource simultaneously, leading to a deadlock or a situation where one process is waiting for a lock held by another.
  Integration Issues: If you are using SAP XI (now known as SAP PI/PO), the error may indicate that there is a problem with the integration process, such as a message being locked for processing and not being released properly.
  System Performance: High system load or performance issues can exacerbate locking problems, leading to timeouts or failures in acquiring locks.
  
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12