How To Fix MD501 - &1: Not covered by master production schedule at component level (S8)

MD501 - Overview

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 501

• Message text: &1: Not covered by master production schedule at component level (S8)

What causes this issue?

After an ATP check, the system has determined that the requirements for
the components are not covered by the master production schedule.

System Response

This exception message appears in the MRP list for a planning run in
the main memory.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD501 - &1: Not covered by master production schedule at component level (S8) ?

  The SAP error message MD501 indicates that a specific component is not covered by the master production schedule (MPS) at the component level. This typically occurs in the context of production planning and scheduling when the system cannot find a valid production plan for a particular component required for a finished product.
  
  Cause:
  
  MPS 
  Configuration Issues: The master production schedule may not be properly configured to include the component in question.
  Demand and Supply Mismatch: There may be a mismatch between the demand for the finished product and the supply of the components.
  Planning Parameters: Incorrect planning parameters or settings in the material master data can lead to this error.
  Component Not Included in MPS: The specific component may not be included in the MPS, meaning it is not planned for production.
  Lot Size Issues: The lot size settings for the component may not align with the MPS, leading to discrepancies.
  Time Period Issues: The planning horizon