The SQL job is failing with the below error message in the SQL agent's log.
2020-06-15 06:41:00 - U02000005 Job 'SQLJOBTEST' with RunID '79222153' started.
2020-06-15 06:41:00 - U02012031 The database driver returned the following error message:
2020-06-15 06:41:00 java.lang.ClassNotFoundException: com.sap.db.jdbc.Driver
2020-06-15 06:41:00 - U02004025 Job-script execution was aborted.
The jdbc driver is missing in the jdbc folder of the SQL agent.
Release : 12.x
Component : AUTOMATION ENGINE, SQL Agent
Please check if the jdbc driver is present as explained in the documentation below. Also, make sure the user has proper permissions in the jdbc folder.