How To Fix ESH_SEARCH145 - Cardinalities &1 and &2 are inconsistent or not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SEARCH - ESH Search

• Message number: 145

• Message text: Cardinalities &1 and &2 are inconsistent or not valid

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_SEARCH145 - Cardinalities &1 and &2 are inconsistent or not valid ?

  The SAP error message ESH_SEARCH145, which states "Cardinalities &1 and &2 are inconsistent or not valid," typically occurs in the context of SAP Enterprise Search or SAP HANA when there is a mismatch in the expected cardinalities of data sources or when the configuration of the search model is incorrect.
  Cause:
  
  
  Inconsistent Cardinalities: This error usually arises when the cardinality settings (which define the relationship between entities in a data model) are not aligned. For example, if one entity is expected to have a one-to-many relationship with another, but the configuration suggests a many-to-many relationship, this inconsistency will trigger the error.
  
  
  Invalid Configuration: The error can also occur if the configuration of the search model or the data source is not set up correctly, leading to invalid cardinality definitions.
  
  
  Data Model Changes: If there have been recent changes to the data model or the underlying database schema, it may lead to inconsistencies in the cardinality definitions.
  
  
  Solution:
  
  
  Check Cardinality Settings: Review the cardinality settings in the data model or search configuration. Ensure that they are correctly defined according to the relationships between the entities involved.
  
  
  Validate Data Sources: Ensure that the data sources being used in the search model are correctly configured and that their relationships are accurately represented.
  
  
  Rebuild Search Model: If the issue persists, consider rebuilding the search model or re-indexing the data to ensure that all configurations are applied correctly.
  
  
  Consult Documentation: Refer to the SAP documentation for Enterprise Search or the specific module you are working with to understand the expected cardinality settings and how to configure them properly.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to cardinality and search configurations.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the inconsistency arises.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to ESH_SEARCH145. SAP frequently releases notes that address specific error messages and provide guidance on resolving them.
  
  
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide insights or solutions based on their experiences.
  
  
  SAP Support: If the problem cannot be resolved through the above steps, consider reaching out to SAP Support for assistance. They can provide more detailed analysis and support based on your specific system configuration.
  
  
  By following these steps, you should be able to identify and resolve the cause of the ESH_SEARCH145 error in your SAP environment.