How To Fix >0146 - Tax amount/tax base have different +/- signs in item &1

SAP Error Message - Details

• Message type: E = Error

• Message class: >0 - General Basis texts

• Message number: 146

• Message text: Tax amount/tax base have different +/- signs in item &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message >0146 - Tax amount/tax base have different +/- signs in item &1 ?

  The SAP error message >0146 indicates that there is a discrepancy between the signs of the tax amount and the tax base in a specific line item (denoted as &1). This typically occurs during the posting of financial documents, such as invoices or credit memos, where the tax amount and tax base should logically have the same sign (both positive or both negative).
  Cause:
  The error is caused by one of the following scenarios:
  
  Inconsistent Tax Calculation: The tax amount is calculated based on the tax base, but there is an inconsistency in the signs. For example, if the tax base is positive, the tax amount should also be positive, and vice versa.
  Manual Entry Errors: If the tax amount or tax base is entered manually, there may be a mistake in the sign.
  Configuration Issues: There may be issues in the tax configuration settings in SAP, leading to incorrect calculations or postings.
  Document Type Issues: Certain document types may have specific rules regarding tax calculations that are not being adhered to.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check the Document: Review the line item indicated by &1 in the error message. Verify the values of the tax amount and tax base to ensure they have the same sign.
  Correct Manual Entries: If the values were entered manually, correct the sign of either the tax amount or the tax base to ensure they match.
  Review Tax Configuration: Check the tax configuration settings in SAP to ensure that they are set up correctly. This includes reviewing tax codes, tax calculation procedures, and any relevant settings in the Financial Accounting (FI) module.
  Recalculate Tax: If applicable, try to recalculate the tax amount based on the tax base to ensure consistency.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and its resolution.
  Test with Different Scenarios: If the issue persists, try posting similar documents with different values to see if the error occurs consistently, which may help identify the root cause.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB60 (Enter Incoming Invoice), FB70 (Enter Outgoing Invoice), or FB75 (Enter Credit Memo) to review and correct the documents.
  SAP Notes: Check SAP Notes for any known issues or patches related to tax calculations and error messages.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, review any user exits or BAdIs that may affect tax calculations.
  
  If the issue continues after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Financial Accounting.