How To Fix MPE_PLAN_MFG_SUB004 - Manufacturing substitute is not assigned

MPE_PLAN_MFG_SUB004 - Overview

• Message type: E = Error

• Message class: MPE_PLAN_MFG_SUB - Manufacturing Substitute

• Message number: 004

• Message text: Manufacturing substitute is not assigned

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 MPE_PLAN_MFG_SUB004 - Manufacturing substitute is not assigned ?

  The SAP error message MPE_PLAN_MFG_SUB004 indicates that a manufacturing substitute has not been assigned for a specific material or product in the planning process. This error typically arises in the context of production planning and material requirements planning (MRP) when the system is unable to find an alternative material or resource that can be used in place of the primary one.
  
  Cause:
  
  Missing Substitute Assignment: The primary cause of this error is that the system does not have a substitute material defined for the item in question. This can happen if the substitute materials have not been set up in the material master or if they are not properly linked to the primary material.
  
  Configuration Issues: There may be issues with the configuration settings in the SAP system that prevent the assignment of substitutes.
  Data Inconsistencies: Inconsistencies in the master data, such as missing or incorrect entries in the material master records, can also