How To Fix CN171 - Invalid version number

CN171 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 171

• Message text: Invalid version number

What causes this issue?

You have ebtered an invalid version number. The version number can be
invalid for the following reasons:
You have used special characters *, + or # in the version number.
You have no athorization for this version.
The version is inactive.

How to fix this error?

Use a valid version number or contact your system administration, if
you do not have the necessary authorizations.

Error message extract from SAP system. Copyright SAP SE.

CN171 - Details

• The SAP error message CN171 "Invalid version number" typically occurs in the context of project management or when dealing with versioning in SAP systems, particularly in the Project System (PS) module. This error indicates that the version number being referenced is not valid or does not exist in the system.
  Causes:
  
  Incorrect Version Number: The version number you are trying to use may not exist or may have been deleted.
  Data Inconsistency: There may be inconsistencies in the database or in the project structure that lead to the version number being unrecognized.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain versions.
  System Configuration: The system may not be configured correctly to handle versioning for the specific project or object.
  
  Solutions:
  
  Check Version Number: Verify that the version number you are trying to use is correct and exists in the system. You can do this by checking the project version in the