How To Fix SDDL_PARSER_MSG470 - Target fields "&1 and "&2" cannot be compared in "&3" ON condition

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 470

• Message text: Target fields "&1 and "&2" cannot be compared in "&3" ON condition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG470 - Target fields "&1 and "&2" cannot be compared in "&3" ON condition ?

  The SAP error message SDDL_PARSER_MSG470 indicates that there is an issue with the comparison of target fields in an ON condition of a join operation in a data model or query. This typically occurs in the context of SAP HANA or when working with SAP BW (Business Warehouse) queries.
  
  Cause:
  The error arises when the fields being compared in the ON condition of a join do not have compatible data types or structures. This can happen due to several reasons:
  
  Data Type Mismatch: The fields being compared may have different data types (e.g., one is a string and the other is an integer).
  Incompatible Structures: The fields may belong to different structures or domains that do not allow for direct comparison.
  Null Values: If one of the fields can contain null values, it may lead to issues during comparison.
  Field Length: The lengths of the fields being compared may differ, leading to incompatibility.
  
  
  Solution:
  To resolve this error,