How To Fix CN223 - & is not a valid time unit for the duartion of the relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 223

• Message text: & is not a valid time unit for the duartion of the relationship

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN223 - & is not a valid time unit for the duartion of the relationship ?

  The SAP error message CN223 indicates that there is an issue with the time unit specified for the duration of a relationship in a project or network. This error typically arises in the context of project management within SAP, particularly when dealing with network activities and their relationships.
  Cause:
  The error occurs when the time unit specified for the duration of a relationship is not recognized or is invalid. This can happen due to several reasons:
  
  Incorrect Time Unit: The time unit entered (e.g., days, hours, weeks) is not valid or not supported in the context of the relationship.
  Configuration Issues: The system may not be configured to recognize certain time units due to settings in the project management module.
  Data Entry Errors: There may be a typographical error or incorrect format in the input fields related to the duration.
  
  Solution:
  To resolve the CN223 error, you can take the following steps:
  
  
  Check Time Unit: Ensure that the time unit you are using is valid. Common valid time units in SAP include:
  
  Days (D)
  Hours (H)
  Weeks (W)
  Months (M)
  
  
  
  Review Input Format: Make sure that the duration is entered in the correct format. For example, if you are entering a duration of 5 days, it should be entered as "5D".
  
  
  Configuration Settings: If you have access to configuration settings, check the project management settings to ensure that the time units are correctly defined and that there are no restrictions on the units being used.
  
  
  Consult Documentation: Refer to SAP documentation or help files for specific details on valid time units and their usage in project management.
  
  
  Test with Different Values: If you are unsure about the validity of a specific time unit, try using a different, commonly accepted time unit to see if the error persists.
  
  
  Seek Help from SAP Support: If the issue continues after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP for project management, such as CJ20N (Project Builder) or CN22 (Change Network).
  SAP Notes: Search for SAP Notes related to error CN223 for any patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and correct the cause of the CN223 error in your SAP system.