How To Fix ESH_OM_OBJ_MODEL_RP2628 - An assoziation cannot be changed to a composition

ESH_OM_OBJ_MODEL_RP2628 - Overview

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_RP2 - Object Model Repository (2)

• Message number: 628

• Message text: An assoziation cannot be changed to a composition

Self-Explanatory Message

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ESH_OM_OBJ_MODEL_RP2628 - Details

• The SAP error message ESH_OM_OBJ_MODEL_RP2628 indicates that there is an issue with the relationship between objects in the SAP Enterprise Search (SAP ESH) model. Specifically, it states that an association cannot be changed to a composition. This typically occurs when you are trying to modify the relationship type between two entities in the object model, but the system does not allow this change due to certain constraints.
  
  Cause:
  
  
  Relationship Type Constraints: In SAP, associations and compositions are different types of relationships. An association is a loose relationship, while a composition implies a stronger relationship where the lifecycle of the child is tied to the parent. If the existing relationship is defined as an association, it cannot be changed to a composition if there are existing data or structural constraints.
  
  
  Existing Data: If there are existing records that violate the rules of a composition (e.g., if the child objects can exist independently of the