How To Fix CN878 - Enter activity quantity and base unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 878

• Message text: Enter activity quantity and base unit of measure

What causes this issue?

You have not entered an order quantity or unit for the externally
processed activity.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Enter the purchase order unit and the purchase order quantity.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN878 - Enter activity quantity and base unit of measure ?

  The SAP error message CN878 ("Enter activity quantity and base unit of measure") typically occurs in the context of project management or controlling when you are trying to enter or process an activity in a project but have not provided the necessary quantity and unit of measure for that activity.
  Cause:
  
  Missing Quantity: The system requires you to specify how much of the activity is being performed. If this quantity is not entered, the error will occur.
  Missing Unit of Measure: Along with the quantity, the system also needs to know the unit of measure (e.g., hours, days, etc.) for the activity. If this is not specified, the error will be triggered.
  Incorrect Configuration: There may be issues with the configuration of the project or activity types that require specific fields to be filled out.
  Data Entry Error: Sometimes, the error can occur due to oversight in data entry, where the user simply forgets to fill in these fields.
  
  Solution:
  
  Enter Activity Quantity: Go back to the transaction where you encountered the error and ensure that you enter a valid quantity for the activity.
  Specify Base Unit of Measure: Make sure to select or enter the appropriate unit of measure for the activity. This is usually a dropdown or selection field in the entry screen.
  Check Configuration: If you are consistently encountering this error, it may be worth checking the configuration settings for the project or activity types in SAP. Ensure that the required fields are correctly set up.
  Review Documentation: If you are unsure about the required fields, refer to the project documentation or consult with a project manager or SAP consultant who can provide guidance on the necessary entries.
  User Training: If this error is common among users, consider providing additional training on how to properly enter activity data in SAP.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to project management, such as CJ20N (Project Builder), CJ02 (Change Project), or CJI3 (Project Actual Line Items).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP Help documentation for detailed information on project management and activity entry processes.
  User Roles: Ensure that users have the appropriate roles and permissions to enter activity quantities and units of measure.
  
  By addressing the missing fields and ensuring proper data entry, you should be able to resolve the CN878 error in SAP.