How To Fix B1775 - An RFC destination has already been assigned for method &.&

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 775

• Message text: An RFC destination has already been assigned for method &.&

What causes this issue?

The RFC destination &v3& has already been assigned for the object
method &v1&.&v2&.

How to fix this error?

select a different object method.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1775 - An RFC destination has already been assigned for method &.& ?

  The SAP error message B1775 indicates that there is an issue with the assignment of an RFC (Remote Function Call) destination for a specific method in your SAP system. This error typically occurs when you attempt to assign an RFC destination to a method that already has one assigned.
  Cause:
  The primary cause of this error is that the method you are trying to configure or call already has an RFC destination assigned to it. In SAP, each method can only have one RFC destination associated with it at a time. If you try to assign a new RFC destination to a method that already has one, you will encounter this error.
  Solution:
  To resolve the B1775 error, you can follow these steps:
  
  
  Check Existing RFC Assignment:
  
  Go to the relevant transaction (usually SE80 or SE37) where the method is defined.
  Check the method's properties to see if an RFC destination is already assigned.
  
  
  
  Remove Existing RFC Destination:
  
  If you find that an RFC destination is already assigned and you want to change it, you will need to remove the existing assignment first.
  After removing the existing RFC destination, you can then assign the new one.
  
  
  
  Assign the New RFC Destination:
  
  Once the old RFC destination is removed, you can proceed to assign the new RFC destination to the method.
  
  
  
  Test the Configuration:
  
  After making the changes, test the method to ensure that it works correctly with the new RFC destination.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are used in SAP to define the connection parameters for remote calls to other SAP systems or external systems. They can be configured in transaction SM59.
  Method Configuration: Methods are typically part of function modules or classes in ABAP. Ensure that you are familiar with the structure and configuration of the method you are working with.
  Error Handling: If you continue to encounter issues, check the system logs (transaction SM21) or the application logs (transaction SLG1) for more detailed error messages that may provide additional context.
  
  By following these steps, you should be able to resolve the B1775 error and successfully manage the RFC destination assignments for your methods in SAP.