How To Fix B1777 - Error has occurred making remote call to method & in system &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 777

• Message text: Error has occurred making remote call to method & in system &

What causes this issue?

An error has occurred when making a remote call to the method &v1& in
the logical system &v2&. The error message returned from system &v2&
is:
&v3&&v4&

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1777 - Error has occurred making remote call to method & in system & ?

  The SAP error message B1777 indicates that there was an issue when attempting to make a remote call to a method in a specified system. This error can occur in various scenarios, particularly when dealing with Remote Function Calls (RFC) or when integrating with other systems.
  Causes:
  
  Network Issues: There may be connectivity problems between the SAP systems involved in the remote call.
  Authorization Issues: The user or system making the call may not have the necessary authorizations to execute the method.
  Configuration Errors: Incorrect configuration of the RFC destination or the remote system can lead to this error.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Method Not Found: The method being called may not exist in the target system or may have been changed or deleted.
  Data Issues: Invalid or unexpected data being passed to the method can also cause this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and that there are no firewalls or network issues blocking the communication.
  Verify Authorizations: Check the user authorizations for the user making the remote call. Ensure that the necessary roles and permissions are assigned.
  Review RFC Configuration: Go to transaction SM59 to check the configuration of the RFC destination. Ensure that the settings are correct and that the connection test is successful.
  Check System Status: Verify that the target system is up and running. You can do this by trying to log in to the target system or checking its status in the SAP system landscape.
  Validate Method Existence: Ensure that the method being called exists in the target system and that it is correctly defined in the relevant function module or class.
  Inspect Data Passed: Review the data being sent in the remote call. Ensure that it meets the expected format and constraints of the method being called.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  ST22 - Dump Analysis (to check for any ABAP runtime errors)
  SLG1 - Application Log (to see logs related to the error)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message or the components involved.
  Debugging: If you have access, consider debugging the remote call to get more insights into where the failure is occurring.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.