How To Fix REXCRACH020 - Valid external condition purpose not found (must post and be one-time)

SAP Error Message - Details

• Message type: E = Error

• Message class: REXCRACH - Messages Assignment of ISR-Ref. Vendor Invoice to Cash Flow

• Message number: 020

• Message text: Valid external condition purpose not found (must post and be one-time)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message REXCRACH020 - Valid external condition purpose not found (must post and be one-time) ?

  The SAP error message REXCRACH020 indicates that the system could not find a valid external condition purpose for a specific transaction. This error typically occurs in the context of condition management, particularly when dealing with pricing or conditions in sales and distribution (SD) or materials management (MM).
  Cause:
  
  Missing Configuration: The external condition purpose may not be configured correctly in the system. This could be due to missing entries in the relevant customizing tables.
  Incorrect Condition Type: The condition type being used may not be set up to allow for the external condition purpose.
  One-Time Condition: The error specifically mentions that the condition must be a one-time condition, which means that the system is expecting a condition that is not meant to be reused.
  Data Inconsistency: There may be inconsistencies in the data being processed, such as missing or incorrect master data.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP customizing transaction (SPRO) and navigate to the relevant area for condition management.
  Ensure that the external condition purpose is correctly defined and linked to the appropriate condition types.
  Verify that the condition type is set up to allow for one-time conditions.
  
  
  
  Review Condition Records:
  
  Check if the condition records for the relevant condition type are maintained correctly.
  Ensure that the records are valid and that the external condition purpose is specified.
  
  
  
  Use Correct Condition Type:
  
  If you are trying to use a condition type that is not meant for one-time use, consider using a different condition type that supports the required functionality.
  
  
  
  Data Validation:
  
  Validate the data being entered in the transaction. Ensure that all required fields are filled out correctly and that there are no inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on the condition types and their configurations.
  
  
  
  Contact Support:
  
  If the issue persists after checking the configuration and data, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VK11 (Create Condition), VK12 (Change Condition), and VK13 (Display Condition) for managing condition records.
  Customizing Path: The path in SPRO for condition types is usually found under:
  
  Sales and Distribution -> Basic Functions -> Pricing -> Pricing Control -> Define Condition Types.
  
  
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or additional guidance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.