How To Fix /BOBF/TOOLS_CC027 - Assoc. has cardinality 1:1 but sourcekey (&1) is not in ET_KEY_LINK

/BOBF/TOOLS_CC027 - Overview

• Message type: E = Error

• Message class: /BOBF/TOOLS_CC -

• Message number: 027

• Message text: Assoc. has cardinality 1:1 but sourcekey (&1) is not in ET_KEY_LINK

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/TOOLS_CC027 - Assoc. has cardinality 1:1 but sourcekey (&1) is not in ET_KEY_LINK ?

  The SAP error message /BOBF/TOOLS_CC027 indicates a problem related to the cardinality of associations in the Business Object Processing Framework (BOPF). Specifically, it suggests that there is an association defined with a cardinality of 1:1, but the source key for that association is not found in the ET_KEY_LINK table. 
  
  Cause:
  
  
  Cardinality Mismatch: The association is defined as 1:1, meaning that for each instance of the source object, there should be exactly one corresponding instance of the target object. If the source key is not found in ET_KEY_LINK, it indicates that there is no corresponding entry in the target object for the given source object.
  
  
  Data Integrity Issues: There may be data integrity issues where the expected relationship between the source and target objects is not maintained. This could be due to missing data, incorrect data entries, or issues during data migration.
  
  
  Configuration Errors: There might be a misconfiguration in the BOPF model where