How To Fix DEFTAX_MX101 - Document was not posted. Check batch input session and log

DEFTAX_MX101 - Overview

• Message type: E = Error

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

• Message number: 101

• Message text: Document was not posted. Check batch input session and log

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 DEFTAX_MX101 - Document was not posted. Check batch input session and log ?

  The SAP error message DEFTAX_MX101, which states "Document was not posted. Check batch input session and log," typically occurs in the context of tax-related postings in SAP, particularly when dealing with Mexican tax regulations. This error can arise due to various reasons, and understanding the cause and finding a solution involves several steps.
  Causes:
  
  Tax 
  Configuration Issues: Incorrect configuration of tax codes or tax calculation procedures in the system can lead to this error.
  Missing Master Data: Required master data (like vendor or customer tax information) may be missing or incorrectly maintained.
  Batch Input Session Errors: If the document is being processed through a batch input session, there may be errors in the session that prevent successful posting.
  Authorization Issues: The user may not have the necessary authorizations to post the document.
  Data Validation Errors: The data being posted may not meet the validation rules set in the system, such as incorrect account assignments or missing