How To Fix MM306 - MRP profile & changed; no background job necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 306

• Message text: MRP profile & changed; no background job necessary

What causes this issue?

You have changed an MRP profile. However, only default values were
affected.

System Response

If you change only the default values of a profile, no background job
is started to change existing materials that use the profile you have
just processed. Default values are of use only when creating a
material.

How to fix this error?

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 MM306 - MRP profile & changed; no background job necessary ?

  The SAP error message MM306 indicates that there is a change in the MRP (Material Requirements Planning) profile for a material, but no background job is necessary to process this change. This message typically arises in the context of MRP runs and can be related to the configuration of the MRP settings for materials in the system.
  Cause:
  
  MRP Profile Change: The MRP profile for a material has been modified. This could involve changes to parameters such as planning strategy, lot size, or other MRP-related settings.
  No Background Job Required: The system determines that the changes made do not require a background job to be executed. This could be due to the nature of the changes being minor or not affecting the overall planning process significantly.
  
  Solution:
  
  Review MRP Profile Changes: Check the changes made to the MRP profile for the affected material. Ensure that the changes are intentional and correctly configured.
  Re-run MRP: If necessary, you can manually trigger an MRP run for the material to ensure that the changes are taken into account. This can be done through transaction code MD02 (single-item planning) or MD01 (total planning).
  Check MRP Settings: Verify the MRP settings in the material master (transaction MM03) to ensure that they are set up correctly according to your planning requirements.
  Consult Documentation: Refer to SAP documentation or help resources for further details on MRP profiles and their implications on planning processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MD02: Single-item planning
  MD01: Total planning
  MM03: Display material master
  
  
  MRP Profiles: Understand the different MRP profiles and their parameters to better manage material planning.
  SAP Notes: Check for any SAP Notes related to MRP profiles and error messages for additional guidance or patches that may address specific issues.
  
  If the issue persists or if you need further assistance, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored help based on your specific system configuration and business processes.