How To Fix RELMLR078 - Change &1/&2: addition = removal

SAP Error Message - Details

• Message type: E = Error

• Message class: RELMLR - Messages for Land Register in LUM

• Message number: 078

• Message text: Change &1/&2: addition = removal

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 RELMLR078 - Change &1/&2: addition = removal ?

  The SAP error message RELMLR078 typically occurs in the context of managing relationships in the SAP system, particularly when dealing with master data or configuration settings. The message indicates that there is a conflict in the relationship management where an addition is being interpreted as a removal, which can happen in various scenarios, such as when trying to change relationships between objects (like materials, vendors, customers, etc.).
  Cause:
  The error message RELMLR078 is triggered when:
  
  You are trying to add a relationship (e.g., linking a material to a vendor) but the system interprets this action as a removal of an existing relationship.
  There may be inconsistencies in the data or configuration settings that lead to this conflict.
  The relationship you are trying to establish may already exist in a way that conflicts with the intended addition.
  
  Solution:
  To resolve the RELMLR078 error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Review the existing relationships for the objects involved (e.g., materials, vendors) to ensure that there are no conflicting entries.
  Use transaction codes like MM03 (for materials) or MK03 (for vendors) to view the current relationships.
  
  
  
  Data Consistency:
  
  Ensure that the data you are trying to add is consistent with the existing data. Check for any discrepancies that might cause the system to misinterpret the addition as a removal.
  
  
  
  Transaction Logs:
  
  Check transaction logs or change logs to see if there were any recent changes made to the relationships that could have caused this issue.
  
  
  
  Use Correct Transaction:
  
  Make sure you are using the correct transaction or method to add the relationship. Sometimes, using the wrong transaction can lead to unexpected results.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing relationships in your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing relationships, such as MM01, MM02, MM03, MK01, MK02, MK03, etc.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific patches or updates that address known issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the RELMLR078 error and implement a solution to resolve it.