How To Fix EQ304 - Error occurred during invoicing: billing completed

EQ304 - Overview

• Message type: E = Error

• Message class: EQ - Cross-IS-U functions

• Message number: 304

• Message text: Error occurred during invoicing: billing completed

What causes this issue?

Invoicing could not be executed and was cancelled.
Billing was carried out.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EQ304 - Error occurred during invoicing: billing completed ?

  The SAP error message EQ304, which states "Error occurred during invoicing: billing completed," typically occurs in the context of billing processes, particularly when dealing with equipment or service-related invoices in SAP's Customer Service (CS) or Plant Maintenance (PM) modules. This error indicates that there was an issue during the invoicing process, even though the billing document has been completed.
  Causes of EQ304 Error
  
  
  Incomplete Data: Required fields or data may be missing in the billing document or related master data (e.g., customer master, equipment master).
  
  
  Document Status: The billing document may be in a status that does not allow further processing, such as being locked or already completed.
  
  
  
  Configuration Issues: There may be configuration issues in the billing process, such as incorrect settings in the pricing procedure or billing type.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the invoicing action.
  
  
  Technical Issues: There could be underlying technical issues, such as problems