How To Fix 1R556 - Erreur de communication lors appel RFC du module fonction &1

1R556 - Overview

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 556

• Message text: Erreur de communication lors appel RFC du module fonction &1

Quelle est la cause de ce problème?

Calling function module &V1& by remote function call (RFC) triggered
the exception COMMUNICATION_FAILURE. This happens when a problem has
occurred in establishing the connection or in communication.

Réponse du système

The function module was not executed.

Comment corriger cette erreur?

Repeat the operation that led to this error (after waiting a certain
period of time, if necessary). If the error reoccurs, inform system
administration.

Procédure pour les administrateurs système

Check the abvailability of the target system of the RFC call. If this
message is in the application log, you may find more entries on RFC
destinations and on relevant operating system error messages.

Extrait du message d'erreur du système SAP. Copyright SAP SE.