How To Fix FOX0115 - No foreign key relationship defined for '&1' and '&2'

FOX0115 - Overview

• Message type: E = Error

• Message class: FOX0 - FOX Customizing

• Message number: 115

• Message text: No foreign key relationship defined for '&1' and '&2'

Self-Explanatory Message

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FOX0115 - Details

• The SAP error message FOX0115 indicates that there is no foreign key relationship defined between two specified fields (represented as &1 and &2) in the context of a Fox (Financial Operations) report or query. This error typically arises when you are trying to create a report or perform an operation that requires a relationship between two tables or fields, but such a relationship has not been established in the database schema.
  
  Cause:
  
  Missing Foreign Key Definition: The most common cause is that the foreign key relationship between the two fields has not been defined in the database. This can happen if the data model was not properly set up or if changes were made to the database structure without updating the relationships.
  Incorrect Field Usage: The fields being referenced may not be intended to have a foreign key relationship, or they may be incorrectly specified in the query or report.
  Data Model Changes: If