How To Fix RTCMMD150 - You cannot copy the article assignment(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 150

• Message text: You cannot copy the article assignment(s)

What causes this issue?

You cannot copy the material assignment. Possible reasons:
You tried to copy the assignment within the same category. Real multiple
assignment is only allowed when you copy the material to a different
category - that is, the existing and copied material assignments have to
have different categories.
The material you want to copy is already assigned to a node within the
category of the new parent node. An article assignment always has to be
unique within a category.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select a parent node that belongs to a category and to which the
material you want to copy has not been assigned yet.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD150 - You cannot copy the article assignment(s) ?

  The SAP error message RTCMMD150, which states "You cannot copy the article assignment(s)," typically occurs in the context of material management or logistics when trying to copy or transfer article assignments between different contexts, such as from one material to another or from one location to another.
  Causes:
  
  Incompatible Article Types: The articles you are trying to copy may not be compatible due to differences in their types or categories.
  Missing Authorizations: The user may not have the necessary authorizations to perform the copy operation.
  Data Integrity Issues: There may be issues with the data integrity of the articles involved, such as missing mandatory fields or incorrect configurations.
  System Configuration: The system may be configured in a way that restricts copying of certain article assignments.
  Locked Records: The records you are trying to copy may be locked by another user or process.
  
  Solutions:
  
  Check Article Compatibility: Ensure that the articles you are trying to copy are of the same type and meet the necessary criteria for copying.
  Review Authorizations: Verify that you have the appropriate authorizations to perform the copy operation. You may need to consult with your SAP security team.
  Data Validation: Check the data for both the source and target articles to ensure that all required fields are filled out correctly and that there are no inconsistencies.
  System Configuration Review: Consult with your SAP Basis or configuration team to review the system settings related to article assignments and copying processes.
  Unlock Records: If the records are locked, you may need to wait for the lock to be released or contact the user who has locked the record to request access.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  Documentation: Review SAP documentation related to material management and article assignments for best practices and guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to escalate the matter to your SAP support team for further investigation.