How To Fix CN808 - You must also maintain a time unit when entering a time interval

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 808

• Message text: You must also maintain a time unit when entering a time interval

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN808 - You must also maintain a time unit when entering a time interval ?

  The SAP error message CN808 ("You must also maintain a time unit when entering a time interval") typically occurs in the context of project management or time tracking within SAP, particularly when dealing with time intervals for activities, tasks, or resources.
  Cause:
  This error arises when a user attempts to enter a time interval (for example, a duration or a time period) without specifying the corresponding time unit (such as hours, days, etc.). The system requires both a value for the time interval and a unit of measurement to properly interpret the data.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Input Fields: Ensure that when you enter a time interval, you also specify the time unit. For example, if you are entering a duration of "5", you should also indicate whether this is in hours, days, etc.
  
  
  Use the Correct Format: Make sure you are using the correct format for entering time intervals. This may vary depending on the specific SAP module you are using.
  
  
  Review Configuration: If you are consistently encountering this error, it may be worth reviewing the configuration settings in your SAP system to ensure that the time unit settings are correctly defined.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific module you are working in for more detailed guidance on entering time intervals.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  
  Related Information:
  
  SAP Modules: This error is commonly encountered in modules related to project management (like SAP PS) or time management (like SAP HR).
  User Training: Ensure that users are trained on how to properly enter time intervals and understand the importance of specifying time units.
  System Settings: Check if there are any user-specific settings or defaults that might be affecting how time intervals are entered.
  
  By ensuring that both the time interval and the time unit are correctly specified, you should be able to resolve the CN808 error and proceed with your tasks in SAP.