ORA-22905: cannot access rows form a non-nested table item

I got ” ORA-22905: cannot access rows form a non-nested table item ”  error in Oracle database.

ORA-22905: cannot access rows form a non-nested table item

Details of error are as follows.

ORA-22905: cannot access rows from a non-nested table item
Cause: attempt to access rows of an item whose type is not known at parse time or that is 
not of a nested table type

Action: use CAST to cast the item to a nested table type

cannot access rows from a non-nested table item

This ORA-22905 error is related to attempt to access rows of an item whose type is not known at parse time or that is not of a nested table type.

use CAST to cast the item to a nested table type.

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