How To Fix /PM0/ABP_BCTAX_MSG107 - Exactly one entity must exist (technical error)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_BCTAX_MSG -

• Message number: 107

• Message text: Exactly one entity must exist (technical error)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_BCTAX_MSG107 - Exactly one entity must exist (technical error) ?

  The SAP error message /PM0/ABP_BCTAX_MSG107 indicating "Exactly one entity must exist (technical error)" typically arises in the context of Business Partner (BP) or tax-related configurations in SAP. This error suggests that the system expected to find exactly one instance of a specific entity (like a Business Partner or tax classification) but found none or more than one.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data where the system expects a unique entity but finds duplicates or none at all.
  Configuration Issues: Incorrect configuration in the Business Partner settings or tax classifications can lead to this error.
  Missing Master Data: The required master data (like Business Partner or tax information) may not be set up correctly or is missing.
  Custom Code: If there are custom developments or enhancements, they might not be handling the entity retrieval correctly.
  
  Solutions:
  
  
  Check Business Partner Data:
  
  Go to the Business Partner transaction (BP) and verify that the relevant Business Partner exists and is correctly configured.
  Ensure that there are no duplicate entries for the Business Partner or related entities.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for Business Partners and tax classifications in the relevant customizing transactions (e.g., SPRO).
  Ensure that the settings align with the expected data model.
  
  
  
  Data Consistency Check:
  
  Use transaction codes like SE16 or SE11 to check the underlying database tables for duplicates or missing entries.
  Look for tables related to Business Partners (e.g., BUT000, BUT020) and tax classifications.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the relevant program or function module to identify where the error is being triggered.
  Check for any custom code that might be affecting the retrieval of the entity.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that might address this specific error. Sometimes, SAP releases notes that provide fixes or workarounds for known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, steps to reproduce, and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like BP (Business Partner), SPRO (Customizing), and SE16 (Data Browser) for troubleshooting.
  SAP Documentation: Review SAP Help documentation related to Business Partner and tax management for best practices and configuration guidelines.
  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 root cause of the error and implement a solution.