Oracle Solution for Error ora-40103

ORA-40103: invalid case-id column: string

What triggered the Error:

The column designated as case-id is not of one of CHAR, VARCHAR2, NUMBER data type. Case-id columns of type CHAR and VARCHAR2 must be of length less than or equal to 128 bytes.

What should we do to fix it:

Change the schema of your input data to supply a case-id column of appropriate data type and/or length.