How To Fix CJ544 - Network type "&" does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 544

• Message text: Network type "&" does not exist

What causes this issue?

Network type &V1& either:
does not exist or
was not entered in the network profile
In either case, you cannot create activities.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

INCLUDE 'NA_ALLG_MOEGLICH' OBJECT DOKU ID TX
RESET N1
Check your entries.
If necessary define the network type in Customizing the Project System
If necessary, enter a network type in the network profile.
You can also maintain the network type in scheduling using the menu
option <zh>Settings</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ544 - Network type "&" does not exist ?

  The SAP error message CJ544 indicates that the network type specified in a project or network activity does not exist in the system. This error typically occurs when you are trying to create or modify a network in Project System (PS) and the system cannot find the specified network type.
  Cause:
  
  Incorrect Network Type: The network type you are trying to use may not be defined in the system.
  Configuration Issues: The network type may not be properly configured in the Project System settings.
  Authorization Issues: The user may not have the necessary authorizations to access the specified network type.
  Custom Development: If there are custom developments or modifications in the system, they may have affected the availability of the network type.
  
  Solution:
  
  
  Check Network Type: Verify that the network type you are trying to use is correctly defined in the system. You can do this by navigating to the configuration settings for network types in SAP:
  
  Use transaction code OPRJ to access the Project Management settings.
  Check the configuration for network types to ensure that the specified type exists.
  
  
  
  Create or Modify Network Type: If the network type does not exist, you may need to create it or modify an existing one. This can be done in the same configuration area mentioned above.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create or modify networks. You can check this with your SAP security team or by reviewing the user roles and authorizations.
  
  
  Consult Documentation: Review the SAP documentation or help files related to Project System and network types for additional guidance.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ01 (Create Work Breakdown Structure), CJ02 (Change Work Breakdown Structure), and CJ20N (Project Builder) for managing projects and networks.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CJ544 error and successfully work with network types in SAP Project System.