How To Fix R1120 - Transaction code &1 assigned to multiple application transactions

R1120 - Overview

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 120

• Message text: Transaction code &1 assigned to multiple application transactions

What causes this issue?

Transaction code &V1& was assigned for multiple application
transactions.

System Response

Error message; you cannot save.

How to fix this error?

Assign each transaction code to only one application transaction.

Error message extract from SAP system. Copyright SAP SE.

R1120 - Details

• The SAP error message R1120 indicates that a transaction code (T-code) is assigned to multiple application transactions. This typically occurs when there is a conflict in the assignment of T-codes to different applications or functions within the SAP system.
  
  Cause:
  
  Duplicate Assignment: The T-code has been assigned to more than one application transaction, which is not allowed in SAP.
  Configuration Error: There may be a configuration error in the transaction code assignment in the SAP system.
  Custom Development: If custom transactions have been developed, they may inadvertently use the same T-code as standard transactions.
  
  
  Solution:
  
  
  Identify Conflicting Assignments:
  
  Use transaction code SE93 to check the assignment of the T-code in question. This will show you which application transactions are currently assigned to the T-code.
  
  
  
  Review and Modify Assignments:
  
  Determine which application transaction should retain the T-code and which one should be changed.
  If necessary, reassign the T-code to a different application transaction or create a new T-code for one of