Oracle Error ORA-30745: error occured while trying to add column “string” in table “string”

Oracle Error Message

ORA-30745: error occured while trying to add column “string” in table “string”

Reason for the Error

The user tried to add a subtype which tried to alter the tables dependent on the supertype.

Solution

Ensure that the table will not exceed the columnlimit on adding this subtype.