How To Fix MMRP01157 - Internal error: error when reading the item node of status matrix &1

MMRP01157 - Overview

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 157

• Message text: Internal error: error when reading the item node of status matrix &1

What causes this issue?

An error occurred during the reading of the component node for the
status matrix &V1& from the liveCache.

System Response

The system terminates the processing.

How to fix this error?

Contact SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01157 - Internal error: error when reading the item node of status matrix &1 ?

  The SAP error message MMRP01157, which states "Internal error: error when reading the item node of status matrix &1," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the status matrix for a material or item.
  
  Cause:
  
  Data Corruption: The status matrix for the material may be corrupted or not properly maintained.
  
  Configuration Issues: There may be issues with the configuration of the status management settings in the system.
  Missing Entries: The item node referenced in the error message may not exist or may be missing necessary entries in the database.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the status matrix.
  System Bugs: There could be bugs in the SAP system that lead to this error, especially if you are using an older version of SAP.
  
  
  Solution:
  
  Check the Status Matrix: Verify the status matrix configuration for the material in question.