How To Fix DEFTAX_MX590 - Post customer invoices only from ALV. Additional screen is required

DEFTAX_MX590 - Overview

• Message type: E = Error

• Message class: DEFTAX_MX - Message Class : Deferred Tax Localisation for Mexico

• Message number: 590

• Message text: Post customer invoices only from ALV. Additional screen is required

Self-Explanatory Message

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DEFTAX_MX590 - Details

• The SAP error message DEFTAX_MX590 indicates that when trying to post customer invoices from the ALV (ABAP List Viewer), an additional screen is required to complete the transaction. This error typically arises in the context of tax determination or when specific data is needed that is not available in the current screen.
  
  Cause:
  
  Missing Data: The system may require additional information that is not present in the current ALV screen. This could include tax codes, customer details, or other mandatory fields.
  
  Configuration Issues: There may be issues with the configuration of the tax determination process in the system, particularly for Mexico, where specific tax regulations apply.
  Custom Development: If there are custom developments or enhancements in the invoice posting process, they may not be properly handling the data flow, leading to the requirement for additional screens.
  
  
  Solution:
  
  Check Required Fields: Review the fields that are required for posting customer invoices in your configuration. Ensure that all