In this post, you’ll learn more about the Oracle ErrorORA-24374: define not done before fetch or execute and fetch with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-24374: define not done before fetch or execute and fetch
Reason for the Error ORA-24374: define not done before fetch or execute and fetch
The application did not define output variables for data being fetched before issuing a fetch call or invoking a fetch by specifying a non-zero row count in an execute call.
How to fix the Error ORA-24374: define not done before fetch or execute and fetch ?
You can fix this error in Oracle by following the below steps
Issue OCI define calls for the columns to be fetched.