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

ESH_SEARCH145 - Overview

• 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