How To Fix 1R556 - Kommunikationsfehler beim RFC-Aufruf des Funktionsbausteins &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 556

• Message text: Kommunikationsfehler beim RFC-Aufruf des Funktionsbausteins &1

Was verursacht dieses Problem?

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.

Systemantwort

The function module was not executed.

Wie behebe ich diesen Fehler?

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

Vorgehensweise für Systemadministratoren

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.

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