How To Fix CK888 - Field does not contain a valid number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 888

• Message text: Field does not contain a valid number &1

What causes this issue?

A field in the transferred data that should contain a value or quantity
contains &V1& instead. This is not a valid number.

System Response

Processing is terminated.

How to fix this error?

Check the transferred data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK888 - Field does not contain a valid number &1 ?

  The SAP error message CK888, which states "Field does not contain a valid number &1," typically occurs in the context of the Controlling (CO) module, particularly during the execution of costing transactions or when working with material master data. This error indicates that a field expected to contain a numeric value is either empty or contains an invalid entry.
  Causes:
  
  Invalid Input: The field in question may have been populated with non-numeric characters (e.g., letters, special characters).
  Empty Field: The field may be left blank when a numeric value is required.
  Data Type Mismatch: The system may be expecting a specific data type (e.g., decimal, integer) and the input does not conform to that expectation.
  Configuration Issues: There may be issues with the configuration of the material or cost object that leads to this error.
  User Input Error: Users may inadvertently enter incorrect data during transaction processing.
  
  Solutions:
  
  Check Input Values: Review the input values in the relevant fields to ensure they are numeric and conform to the expected format.
  Field Validation: Ensure that all required fields are filled out correctly and that no fields are left blank.
  Data Type Verification: Confirm that the data types of the fields match the expected types in the system.
  Review Configuration: If the error persists, check the configuration settings related to the material or cost object in the SAP system to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance on the transaction or process you are working with.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the invalid value is being generated or processed.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to costing, such as CK11N (Create Cost Estimate), CK40N (Change Cost Estimate), or during material master maintenance (MM01, MM02).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on the correct data entry procedures to minimize input errors.
  System Logs: Review system logs for additional context or related error messages that may provide further insight into the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.