How To Fix /IWBEP/SBOD140 - Principal key type must be the same as the dependent property type

/IWBEP/SBOD140 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 140

• Message text: Principal key type must be the same as the dependent property type

Self-Explanatory Message

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/IWBEP/SBOD140 - Details

• The SAP error message /IWBEP/SBOD140 indicates that there is a mismatch between the principal key type and the dependent property type in your OData service definition. This typically occurs when you are defining relationships between entities in your OData model, and the data types of the keys do not match.
  
  Cause:
  
  Data Type Mismatch: The principal entity's key (the entity that is being referenced) has a different data type than the dependent entity's foreign key (the entity that references the principal).
  Model Definition Issues: There may be issues in the way the OData model is defined, such as incorrect annotations or misconfigured relationships.
  Inconsistent Metadata: The metadata definitions for the entities may not be consistent, leading to type mismatches.
  
  
  Solution:
  
  
  Check Data Types: Ensure that the data types of the principal key and the dependent property are the same. For example, if the principal key is defined as an Integer, the corresponding foreign key in the