How To Fix CN213 - Automatic number assignment not possible. Enter activity number

CN213 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 213

• Message text: Automatic number assignment not possible. Enter activity number

What causes this issue?

The system can no longer automatically assign number because the last
number in the interval has been reached.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Assign a different number for the activity. If the number has already
been assigned you will receive a message from the system.

Error message extract from SAP system. Copyright SAP SE.

CN213 - Details

• The SAP error message CN213, which states "Automatic number assignment not possible. Enter activity number," typically occurs in the context of project management and controlling within SAP, particularly when dealing with network activities in Project System (PS) or when creating activities in a project.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Number Range Issues: The number range for the activity type may not be defined or may be exhausted. This means that the system cannot automatically assign a new number to the activity because it has run out of available numbers.
  
  
  Configuration Settings: The configuration for automatic number assignment may not be set up correctly in the system. This could involve missing settings in the project profile or activity type.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create or modify activities, which can prevent the automatic assignment of numbers.
  
  
  Project Status: The project or network may be