How To Fix PPH_MRP403 - Low-level code &1 started at &2 &3

PPH_MRP403 - Overview

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 403

• Message text: Low-level code &1 started at &2 &3

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 PPH_MRP403 - Low-level code &1 started at &2 &3 ?

  The SAP error message PPH_MRP403, which indicates a "Low-level code &1 started at &2 &3," typically relates to issues in the Material Requirements Planning (MRP) process. This error is associated with the low-level code (LLC) of materials in the MRP run, which is used to determine the sequence in which materials are planned based on their dependencies.
  
  Cause:
  
  Low-Level Code Configuration: The low-level code for a material may not be set correctly. This can happen if the material is not properly structured in the bill of materials (BOM) or if there are inconsistencies in the material master data.
  BOM Structure Issues: If the BOM structure is not correctly defined, it can lead to incorrect low-level coding, causing the MRP run to fail.
  Material Dependencies: The error may arise from circular dependencies or incorrect relationships between materials in the BOM.
  MRP Settings: Incorrect MRP settings or parameters can also lead to this error.
  
  
  Solution:
  
  Check Low-Level Code: Verify