How To Fix MD427 - &1: &2 (P4)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 427

• Message text: &1: &2 (P4)

What causes this issue?

The production finish date calculated using the routing lies after the
order finish date that was calculated using the in-house processing time
in the material master record.
As the system uses the order finish date in the planning run, this
situation may lead to material shortages if production is not finished
until the production finish date calculated by the system.

System Response

This exception is displayed in the MRP list and in the current
stock/requirements list.

How to fix this error?

Check the times in the material master record and in the routing.
Check whether the order has to be rescheduled in.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD427 - &1: &2 (P4) ?

  The SAP error message MD427 typically relates to issues in the Material Requirements Planning (MRP) process, specifically concerning the planning of materials. The message format you provided indicates that it is a warning or error related to the planning run.
  Cause:
  The error message MD427 usually indicates that there is a problem with the planning parameters or the data related to the material being planned. Common causes include:
  
  Missing Master Data: The material master data may be incomplete or missing essential information, such as MRP type, lot size, or procurement type.
  Incorrect MRP Settings: The settings in the MRP view of the material master may not be configured correctly.
  Planning File Entries: There may be issues with the planning file entries that prevent the system from processing the material correctly.
  Stock Levels: The stock levels may not meet the requirements for the planned orders, leading to discrepancies.
  Demand and Supply Mismatch: There may be a mismatch between demand and supply, causing the planning run to fail.
  
  Solution:
  To resolve the MD427 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that all necessary fields in the MRP views are filled out correctly.
  Ensure that the MRP type, lot size, and procurement type are set appropriately.
  
  
  
  Review MRP Settings:
  
  Check the MRP settings in the configuration (transaction code SPRO) to ensure they align with your business requirements.
  
  
  
  Analyze Planning File Entries:
  
  Use transaction code MD21 to check the planning file entries for the material. Ensure that the entries are correct and up to date.
  
  
  
  Check Stock Levels:
  
  Review the stock levels for the material using transaction code MMBE to ensure that there is sufficient stock to meet the demand.
  
  
  
  Run MRP Again:
  
  After making the necessary corrections, run the MRP again using transaction code MD01 or MD02 to see if the error persists.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates related to the MD427 error message, as there may be specific patches or updates that address known issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Material Master), MD21 (Planning File Entries), MMBE (Stock Overview), and MD01/MD02 (MRP Run).
  SAP Documentation: Refer to SAP Help documentation for detailed explanations of MRP processes and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.