Issue in importing BOM

Hello Friends,

We have a requirement to import Bill of Materials from one IO to another IO. We are on Oracle 11i - 11.5.10.2

While running standard programs for it, we are getting the following error :

Start of log messages from FND_FILE

+---------------------------------------------------------------------------+

Entity: RC. Row Identifier: 10367548. Entity index: 1. Table Name: BOM_INVENTORY_COMPS_INTERFACE.

BOM_LOCATOR_NOT_IN_SUBINV

Entity: RD. Row Identifier: 10367564. Entity index: 6. Table Name: BOM_REF_DESGS_INTERFACE.

Reference designator 300 does not exist for component 1331.487.

Entity: RD. Row Identifier: 10367566. Entity index: 8. Table Name: BOM_REF_DESGS_INTERFACE.

Reference designator 300 does not exist for component 1553.276.

Entity: BO. Row Identifier: 10367547. Entity index: 1.