How To Fix CN831 - Cette liaison existe déjà sous la forme inverse

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 831

• Message text: Cette liaison existe déjà sous la forme inverse

Quelle est la cause de ce problème?

You have entered a relationship which already exists, but in the
reversed form.
Example: You have maintained a FS relationship from activity 10 to
activity 20 and a FS relationship from activity 20 to activity 10.
This creates a loop. You cannot schedule a network that has loops.

Réponse du système

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

Comment corriger cette erreur?

INCLUDE 'NA_ALLG_MOEGLICH' OBJECT DOKU ID TX
Enter a different activity number for the relationship.
Cancel processing.

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