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The ORA-02315 SQL Error indicates that an attempt was made to create an object type or nested table with a default constructor that has an incorrect number of arguments.

A default constructor is a special method that is used to create an instance of a class or a user-defined object type. It is called when an object is instantiated without any arguments.

In this case, the error suggests that the default constructor of an object type expects a different number of arguments than what is being provided. This could happen if the constructor was changed but not updated everywhere it is being used.

To resolve this error, you need to ensure that the constructor is defined correctly with the expected number of arguments and that it is being used consistently throughout the code.