How To Fix /IBS/RB106 - Assignment &1 and &2 is not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBS/RB -

• Message number: 106

• Message text: Assignment &1 and &2 is not permitted

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBS/RB106 - Assignment &1 and &2 is not permitted ?

  The SAP error message /IBS/RB106 Assignment &1 and &2 is not permitted typically occurs in the context of the SAP Integrated Business Solutions (IBS) module, particularly when dealing with assignments or relationships between different entities (like materials, vendors, or customers) that are not allowed based on the system's configuration or business rules.
  Cause:
  
  
  Invalid Assignment: The error usually indicates that the specific assignment between the two entities (represented by &1 and &2) is not allowed. This could be due to:
  
  Business rules that restrict certain types of assignments.
  Configuration settings in the system that prevent the assignment.
  The entities involved may not be compatible for the operation being attempted.
  
  
  
  Missing Configuration: There may be missing or incorrect configuration settings in the relevant customizing tables that govern the relationships between the entities.
  
  
  Data Integrity Issues: There could be issues with the data integrity, such as missing master data or incorrect status of the entities involved.
  
  
  Solution:
  
  
  Check Configuration: Review the configuration settings related to the entities involved in the assignment. Ensure that the necessary relationships are allowed in the system settings.
  
  
  Review Business Rules: Consult the business rules or guidelines that govern the assignments in your organization. Ensure that the assignment you are trying to make is compliant with these rules.
  
  
  Data Validation: Validate the data for both entities involved in the assignment. Ensure that they are correctly set up in the system and that there are no missing or incorrect entries.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for the specific module you are working with. This may provide insights into the specific conditions under which assignments are permitted.
  
  
  Error Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check configurations or data (e.g., SPRO for configuration, SE11 for data dictionary).
  Customizing Tables: Familiarize yourself with the relevant customizing tables that control the relationships and assignments in your specific SAP environment.
  User Authorization: Ensure that you have the necessary authorizations to perform the assignment you are attempting.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.