How To Fix EL181 - Device &1, Reg. &2, MR date &3: Calculated MR result can not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: EL - IS-U meter reading data processing

• Message number: 181

• Message text: Device &1, Reg. &2, MR date &3: Calculated MR result can not be changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EL181 - Device &1, Reg. &2, MR date &3: Calculated MR result can not be changed ?

  The SAP error message EL181 typically occurs in the context of Material Requirements Planning (MRP) or inventory management when there is an attempt to change a calculated material requirement (MR) result that is not allowed. This error can arise due to various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Cause:
  
  Calculated MR Result: The error indicates that the material requirement result has already been calculated and is locked for changes. This can happen if the MRP run has already processed the material and generated the requirements.
  MRP Type: The MRP type assigned to the material may not allow changes to the calculated results. For example, materials with certain MRP types may have specific settings that prevent manual adjustments.
  Status of the Material: The material may be in a status that does not allow changes, such as being part of a production order or having a locked status in the system.
  Time Period: The date specified in the error message may be outside the allowed time frame for making changes to the MR results.
  
  Solution:
  
  Check MRP Run: Verify if a recent MRP run has been executed for the material. If so, you may need to wait for the next MRP run or adjust the settings to allow for changes.
  Review MRP Type Settings: Check the MRP type assigned to the material in the material master. If necessary, change the MRP type to one that allows for manual adjustments.
  Unlock Material: If the material is locked due to being part of a production order or other processes, you may need to unlock it or complete the relevant processes before making changes.
  Adjust Time Frame: Ensure that you are trying to make changes within the allowed time frame. If the date is too far in the past or future, you may need to adjust your approach.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific configurations or settings that may be affecting the material.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MD04 (Stock/Requirements List) or MD02 (MRP Run) to analyze the material's status and requirements.
  Material Master: Check the material master data (transaction code MM03) for MRP-related settings.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to this error message.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the material requirements.
  
  By following these steps, you should be able to identify the cause of the EL181 error and implement a suitable solution. If the issue persists, consider reaching out to your SAP support team for further assistance.