How To Fix SO764 - Communication error occurred while accessing RFC service

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 764

• Message text: Communication error occurred while accessing RFC service

What causes this issue?

You tried to call the LDAP directory. The RFC link required could not
be set up.
Possible causes:
The RFC server is not active
The RFC destination is not configured correctly

System Response

The RFC call is canceled.
&WHAT_TO_DO& Administration
Check the RFC server
Check the RFC link: <DS:TRANS.SM59>Execute function</>

Error message extract from SAP system. Copyright SAP SE.