How To Fix MD190 - Different periods not possible during activation

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD190 - Different periods not possible during activation ?

  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 or missing information in the MRP views.
  
  Solutions:
  
  Check MRP Settings: Review the MRP settings for the material and ensure that the periods defined are consistent across all relevant settings.
  Recheck Material Master Data: Go to the material master (transaction MM03) and check the MRP views to ensure that all necessary data is correctly maintained.
  Re-run MRP: If changes have been made to the MRP parameters or material master, consider re-running the MRP for the affected materials to regenerate the planning data.
  Consistency Check: Use transaction MD02 or MD03 to check the planning data for the material and ensure that there are no inconsistencies.
  Review Planning File Entries: Check the planning file entries (transaction MD21) to see if there are any entries that might be causing the issue.
  Consult SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD02 (Single-item, multi-level planning), MD03 (Single-item, single-level planning), and MD21 (Display planning file entries).
  MRP Configuration: Understanding the configuration of MRP in your SAP system can help in diagnosing and resolving issues related to planning data.
  SAP Help Documentation: Refer to the official SAP Help documentation for detailed explanations of MRP processes and error messages.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.