How To Fix CN340 - Select at least one date type

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 340

• Message text: Select at least one date type

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 CN340 - Select at least one date type ?

  The SAP error message CN340 ("Select at least one date type") typically occurs in the context of project management or controlling modules, particularly when working with project planning or scheduling functions. This error indicates that the system requires the user to select at least one type of date (such as start date, finish date, or baseline date) for the operation they are trying to perform.
  Cause:
  
  No Date Type Selected: The user has not selected any date type in the relevant screen or transaction.
  Configuration Issues: There may be configuration settings in the project management module that require specific date types to be selected.
  User Input Error: The user may have overlooked the date selection fields or misunderstood the requirements of the transaction.
  
  Solution:
  
  Select a Date Type: Go back to the screen where the error occurred and ensure that at least one date type is selected. This could be a start date, finish date, or any other relevant date type required for the operation.
  Check Configuration: If you are an administrator or have access to configuration settings, check the project management settings to ensure that the date types are correctly configured and that there are no mandatory fields that are being overlooked.
  Review Documentation: Consult the SAP documentation or help files related to the specific transaction you are using to understand the requirements for date selection.
  User Training: If this error is common among users, consider providing additional training or resources to help them understand how to properly select date types in the relevant transactions.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to project management, such as CJ20N (Project Builder), CJ01 (Create Work Breakdown Structure), or others.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context or fixes.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions or workarounds may be shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team for further assistance.