Oracle® Database 11g / 12c / 18c error codes ORA-40103: invalid case-id column: [string]

ORA-40103: invalid case-id column: [string]

Oracle Error Code: ORA-40103

Cause: 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.

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