How To Fix EPIC_PROC_UI309 - &1 is mandatory; enter a value

SAP Error Message - Details

• Message type: E = Error

• Message class: EPIC_PROC_UI - Messages for Payment Processing Services

• Message number: 309

• Message text: &1 is mandatory; enter a value

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 EPIC_PROC_UI309 - &1 is mandatory; enter a value ?

  The SAP error message "EPIC_PROC_UI309 &1 is mandatory; enter a value" typically indicates that a required field in a transaction or process is missing a value. This error is often encountered in the context of SAP applications that involve data entry or processing, particularly in modules related to procurement, finance, or project management.
  Cause:
  
  Missing Mandatory Field: The error arises when a user attempts to save or process a transaction without filling in a mandatory field. The placeholder &1 in the error message usually indicates the specific field that is missing a value.
  Configuration Issues: Sometimes, the configuration of the SAP system may have changed, leading to new mandatory fields being introduced that were not previously required.
  User Input Error: Users may overlook required fields or misunderstand which fields are mandatory.
  
  Solution:
  
  Identify the Missing Field: Check the error message for the specific field indicated by &1. This will tell you which field is mandatory and needs to be filled in.
  Enter Required Data: Navigate to the relevant screen or transaction and enter the necessary information in the mandatory field.
  Review Configuration: If you believe the field should not be mandatory, consult with your SAP administrator or functional consultant to review the configuration settings.
  User Training: Ensure that users are trained on the importance of filling in all mandatory fields to avoid this error in the future.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may be working within specific transaction codes (e.g., ME21N for purchase orders, FB60 for vendor invoices, etc.).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  Documentation: Refer to the SAP Help Portal or specific module documentation for guidance on mandatory fields and data entry requirements.
  Debugging: If the issue persists and you have access, you may want to debug the transaction to see if there are any underlying issues causing the error.
  
  If you continue to experience issues after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.