How To Fix MD190 - Different periods not possible during activation

MD190 - Overview

• Message type: E = Error

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

• Message number: 190

• Message text: Different periods not possible during activation

What causes this issue?

During activiation of the planned independent requirement version,
several versions with varying activation periods were selected.

System Response

The system does not support activation of several planned independent
requirement versions with varing activation periods.

How to fix this error?

Tailor the activation periods to the individual planned independent
requirement versions or activate each planned independent requirement
version separately.

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.

MD190 - Details

• The SAP error message MD190 ("Different periods not possible during activation") typically occurs in the context of Material Requirements Planning (MRP) when there is an inconsistency in the planning data for a material. This error usually arises during the activation of planning data for a material in the MRP area, particularly when the system detects that the periods being referenced for planning do not align correctly.
  Causes:
  
  Inconsistent Planning Data: The planning data for the material may have been changed or not properly maintained, leading to discrepancies in the periods defined for planning.
  Different Period Settings: The periods defined in the MRP settings (like planning horizon, planning periods, etc.) may not match the periods defined in the material master or other related settings.
  Changes in MRP Parameters: If MRP parameters have been changed after the initial planning run, it can lead to inconsistencies.
  Master Data Issues: Issues with the material master data, such as incorrect