How To Fix C1040 - Maintain allowed values

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 040

• Message text: Maintain allowed values

What causes this issue?

You have defined that characteristic values are to be displayed in
characteristic value assignment functions, but you have not yet
maintained any allowed values.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter at least one value or delete the indicator for displaying values
in value assignment functions on the interface control screen.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1040 - Maintain allowed values ?

  The SAP error message C1040, "Maintain allowed values," typically occurs when you are trying to enter a value in a field that does not match the allowed values defined for that field in the system. This can happen in various contexts, such as when entering data in a transaction, maintaining master data, or configuring settings.
  Cause:
  
  Invalid Input: The value you are trying to enter is not part of the predefined set of allowed values for that field.
  Configuration Issues: The allowed values for a field may not have been properly configured in the system.
  Data Consistency: The system may have constraints that require certain values to be maintained for data consistency.
  
  Solution:
  
  Check Allowed Values: Review the allowed values for the field in question. You can usually find this information in the configuration settings or documentation related to the specific module you are working with.
  Maintain Allowed Values: If you have the necessary authorization, you can maintain the allowed values for the field. This typically involves:
  
  Navigating to the relevant configuration area in SAP (e.g., SPRO).
  Finding the section related to the specific field or data element.
  Adding or modifying the allowed values as needed.
  
  
  Use Valid Input: Ensure that the value you are trying to enter is valid and matches one of the allowed values. You may need to consult with your SAP administrator or refer to documentation to find the correct value.
  Authorization Check: Ensure that you have the necessary permissions to make changes to the allowed values if you are attempting to modify them.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access the configuration settings (e.g., SPRO for configuration).
  Documentation: Refer to SAP Help documentation or your organization's internal documentation for specific guidance on the field and its allowed values.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide assistance based on your specific system configuration.
  
  By following these steps, you should be able to address the C1040 error and successfully enter the required data in SAP.