How To Fix K/018 - Enter a valid source field. The field & & is not a permitted source field

SAP Error Message - Details

• Message type: E = Error

• Message class: K/ -

• Message number: 018

• Message text: Enter a valid source field. The field & & is not a permitted source field

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message K/018 - Enter a valid source field. The field & & is not a permitted source field ?

  The SAP error message K/018 ("Enter a valid source field. The field & & is not a permitted source field") typically occurs in the context of SAP Controlling (CO) when you are trying to enter or process data related to cost elements, cost centers, or other controlling-related transactions. This error indicates that the field you are trying to use as a source field is not recognized as valid by the system.
  Causes:
  
  Invalid Field Selection: The field you are trying to use may not be configured as a valid source field in the system. This can happen if the field is not part of the allowed fields for the specific transaction or report you are working with.
  Configuration Issues: There may be issues with the configuration of the controlling area, cost elements, or other related settings that restrict the use of certain fields.
  Data Entry Errors: There might be a typographical error or incorrect data entry that leads to the system not recognizing the field.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain fields or data.
  
  Solutions:
  
  Check Field Validity: Verify that the field you are trying to use is indeed a valid source field for the transaction or report you are working with. You can refer to the documentation or configuration settings for the specific module.
  Review Configuration: If you have access, check the configuration settings in the SAP system to ensure that the field is included in the allowed source fields. This may involve looking at the settings in the Controlling area or related modules.
  Correct Data Entry: Double-check the data you are entering to ensure there are no typos or incorrect values. Make sure you are using the correct field names as defined in the system.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  User Authorizations: Ensure that you have the necessary authorizations to access the fields you are trying to use. If not, contact your system administrator to review your user roles and permissions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP CO, such as KSB1 (Actual Line Items), KOB1 (Order Line Items), etc., to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into specific bugs or configuration recommendations.
  Documentation: Review SAP documentation or help files related to the specific module you are working with for more detailed information on valid fields and configurations.
  
  By following these steps, you should be able to identify the cause of the K/018 error and implement a solution to resolve it.