How To Fix RTCMMD120 - Multiple assignment is not allowed for attribute &

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 120

• Message text: Multiple assignment is not allowed for attribute &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD120 - Multiple assignment is not allowed for attribute & ?

  The SAP error message RTCMMD120, which states "Multiple assignment is not allowed for attribute &," typically occurs in the context of Master Data Management (MDM) or when dealing with attributes in SAP systems, particularly in the context of data modeling or data assignment.
  
  Cause:
  This error usually arises when there is an attempt to assign multiple values to a single attribute that is defined to accept only one value. For example, if you are trying to assign multiple values to a characteristic or attribute in a master data record (like a material, customer, or vendor), and the system is configured to allow only a single value for that attribute, you will encounter this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Attribute Configuration: Review the configuration of the attribute in question. Ensure that it is set up to allow multiple assignments if that is the intended use case. If it