How To Fix MD502 - &1: Start date of components in past (T3)

MD502 - Overview

• Message type: E = Error

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

• Message number: 502

• Message text: &1: Start date of components in past (T3)

What causes this issue?

The start date of order proposals for the components is in the past.

System Response

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

How to fix this error?

Check whether the order proposals for the components are to be
rescheduled and/or converted. You can access these order proposals by
choosing the function 'Order structure' for the receipt you are
viewing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD502 - &1: Start date of components in past (T3) ?

  The SAP error message MD502, which states "Start date of components in past (T3)," typically occurs in the context of production planning and material requirements planning (MRP). This error indicates that the start date for a component in a production order or planned order is set to a date that is earlier than the current date, which is not allowed in the system.
  
  Cause:
  
  Past Start Date: The most common cause is that the start date for the component is set to a date that has already passed. This can happen if the production order or planned order was created with incorrect dates.
  Scheduling Issues: If the scheduling parameters are not set correctly, it may lead to the system calculating a start date that is in the past.
  Changes in Production Plan: If there have been changes in the production plan or if the order was rescheduled, it might result in components being assigned