ORA-02291: Integrity Constraint (GMI.IC_LOTS_MST_IC_ITEM_MST_B_FK) Violated

This error because of Trigger in IC_ITEM_MST (OPM Item Master). Whenever item created in OPM it will creates a item in Discrete Inventory side(MTL_System_Items_B).


Please recompile Flexfields.
Navigate to Oracle Inventory > Setup > Flexfields > Key > Segments.
Query on Application 'Inventory' and flexfield title ' System Items'.
To recompile the flexfield