How To Fix CN378 - El elemento &1 en el grafo &2 ya ha sido liberado. No es posible borrar

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 378

• Message text: El elemento &1 en el grafo &2 ya ha sido liberado. No es posible borrar

¿Qué causa este problema?

The following activity elements cannot be deleted immediately, you can
only set a deletion flag for them:
Released activity elements
Activity elements in a header-assigned network that you have already
saved.

Respuesta del sistema

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

¿Cómo arreglar este error?

To set a deletion flag for an activity, select the activity on the
network overview screen and choose <ls>Edit -> Status -> Deletion flag
</>.
For more information about deleting and archiving, see the SAP Library
under <LS>Cross Application Components -> Archiving Application Data</>.

Extracto de mensaje de error del sistema SAP. Copyright SAP SE.