How To Fix /SAPSLL/PLUGINR3843 - Illegal change to base unit of measure in BAdI

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSLL/PLUGINR3 -

• Message number: 843

• Message text: Illegal change to base unit of measure in BAdI

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPSLL/PLUGINR3843 - Illegal change to base unit of measure in BAdI ?

  The SAP error message /SAPSLL/PLUGINR3843 Illegal change to base unit of measure in BAdI typically occurs in the context of SAP's Logistics and Supply Chain Management, particularly when dealing with the Business Add-In (BAdI) for handling unit of measure conversions or changes.
  Cause:
  This error is triggered when there is an attempt to change the base unit of measure for a material or product in a way that is not allowed by the system. The base unit of measure is a fundamental attribute of a material in SAP, and changing it can have significant implications for inventory management, pricing, and other logistics processes. The BAdI implementation may have specific checks that prevent illegal changes to ensure data integrity.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review BAdI Implementation: Check the implementation of the BAdI that is causing the error. Ensure that the logic does not attempt to change the base unit of measure inappropriately.
  
  
  Check Material Master Data: Verify the material master data for the affected material. Ensure that the base unit of measure is set correctly and that any changes are compliant with SAP's requirements.
  
  
  Consult Documentation: Review the SAP documentation related to the BAdI and the specific error message. This may provide insights into the restrictions and guidelines for changing the base unit of measure.
  
  
  Use Appropriate Transactions: If you need to change the base unit of measure, use the appropriate SAP transactions (like MM02 for changing material master data) and follow the correct procedures to ensure that the change is valid.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or consulting with an SAP expert who can analyze the specific implementation and provide guidance.
  
  
  Related Information:
  
  BAdI Documentation: Look for the specific BAdI documentation in the SAP Help Portal or within your SAP system to understand its purpose and restrictions.
  Material Master Data: Familiarize yourself with the material master data structure and the implications of changing the base unit of measure.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional context or solutions.
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the conditions under which the error occurs without affecting production data.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.