How To Fix C$326 - Fill all key fields

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 326

• Message text: Fill all key fields

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 C$326 - Fill all key fields ?

  The SAP error message C$326 "Fill all key fields" typically occurs when a user attempts to save or process a transaction without filling in all the required key fields in a particular screen or transaction. This error is common in various SAP modules, including Sales and Distribution (SD), Materials Management (MM), and others.
  Cause:
  The error is triggered when one or more mandatory fields that are required for the transaction are left blank. Key fields are essential for the system to identify the specific record or transaction being processed. Examples of key fields might include:
  
  Customer number
  Material number
  Document number
  Plant
  Storage location
  
  Solution:
  To resolve the C$326 error, follow these steps:
  
  
  Identify Missing Fields: Review the screen where the error occurred and identify which key fields are highlighted or marked as mandatory (often indicated by an asterisk or a different color).
  
  
  Fill in Required Fields: Enter the necessary information in all mandatory fields. Ensure that you provide valid and complete data.
  
  
  Check Field Validations: Sometimes, the fields may have specific validation rules. Ensure that the data you enter meets these criteria (e.g., correct format, valid values).
  
  
  Review Configuration: If you are consistently encountering this error in a specific transaction, it may be worth checking the configuration settings in the relevant module to ensure that the key fields are correctly defined.
  
  
  Consult Documentation: If you are unsure which fields are required, refer to the SAP documentation or help files related to the specific transaction you are working with.
  
  
  Seek Help from Colleagues or Support: If you are still unable to resolve the issue, consider reaching out to a colleague or your SAP support team for assistance.
  
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes depending on the module (e.g., VA01 for sales orders, ME21N for purchase orders).
  User Roles and Authorizations: Ensure that your user role has the necessary authorizations to access and modify the required fields.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message C$326.
  Training and Documentation: Familiarize yourself with the specific transaction and its requirements through training materials or SAP's online help resources.
  
  By ensuring that all key fields are filled out correctly, you should be able to resolve the C$326 error and proceed with your transaction.