How To Fix 8B308 - Sub.Trib. for unit price &1 and ICMS rate &2 is negative

SAP Error Message - Details

• Message type: E = Error

• Message class: 8B - Localization (Brazil)

• Message number: 308

• Message text: Sub.Trib. for unit price &1 and ICMS rate &2 is negative

Self-Explanatory Message

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• What is the cause and solution for SAP error message 8B308 - Sub.Trib. for unit price &1 and ICMS rate &2 is negative ?

  The SAP error message 8B308 indicates that there is an issue with the calculation of the unit price and ICMS (Imposto sobre Circulação de Mercadorias e Serviços) rate in a transaction. Specifically, it states that the unit price and ICMS rate cannot be negative, which is not allowed in the system.
  Cause:
  
  Negative Values: The most common cause of this error is that either the unit price or the ICMS rate has been entered as a negative value. This can happen due to data entry errors or incorrect calculations in the pricing conditions.
  Configuration Issues: There may be issues in the configuration of pricing procedures or tax determination that lead to incorrect values being calculated.
  Master Data Issues: Incorrect or incomplete master data for materials, customers, or vendors can also lead to negative pricing or tax rates.
  
  Solution:
  
  Check Input Values: Review the transaction data to ensure that the unit price and ICMS rate are entered correctly and are not negative. Correct any erroneous entries.
  Review Pricing Conditions: Check the pricing conditions in the relevant pricing procedure to ensure that they are set up correctly and that there are no conditions that could lead to negative values.
  Master Data Review: Verify the master data for the relevant materials, customers, and vendors to ensure that all necessary information is complete and accurate.
  Configuration Check: If the issue persists, consult with your SAP configuration team to review the pricing procedure and tax configuration settings to ensure they are set up correctly.
  Testing: After making corrections, perform a test transaction to ensure that the error does not reoccur.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to pricing procedures and tax calculations to understand how these values are derived and what might cause them to be negative.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VK11 (Create Condition), VK12 (Change Condition), and VK13 (Display Condition) for managing pricing conditions.
  
  If the problem continues after following these steps, it may be necessary to engage SAP support or a consultant with expertise in SAP SD (Sales and Distribution) or tax configuration.