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

SAP Error Message - Details

• 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.

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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 mandatory fields.
  Technical Issues: There could be underlying technical issues, such as system performance problems or database locks.
  
  Solutions:
  
  
  Check Batch Input Session: 
  
  Go to transaction code SM35 to review the batch input session. Look for any errors or warnings in the log that can provide more details about the failure.
  Analyze the log for specific error messages that can guide you to the root cause.
  
  
  
  Review Tax Configuration:
  
  Ensure that the tax codes and tax calculation procedures are correctly configured in the system. This includes checking the settings in transaction codes like OBYZ (for tax codes) and OB40 (for tax calculation procedures).
  
  
  
  Verify Master Data:
  
  Check the master data for the relevant vendors or customers to ensure that all necessary tax information is correctly maintained.
  
  
  
  Check Authorizations:
  
  Ensure that the user attempting to post the document has the necessary authorizations. This can be checked in transaction code SU53 after the error occurs.
  
  
  
  Data Validation:
  
  Review the data being posted for any inconsistencies or missing information. Ensure that all mandatory fields are filled out correctly.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to this error message.
  
  
  
  Technical Support:
  
  If the issue persists, consider reaching out to your SAP Basis or technical support team to investigate any underlying technical issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (for document posting), SM35 (for batch input sessions), and OBYZ (for tax codes).
  SAP Documentation: Review SAP documentation and help resources for detailed information on tax configuration and error handling.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the DEFTAX_MX101 error and implement a solution to resolve it.