ORA-21520: database server driver not installed

Cause: User attempted to access a database server through an object-mode OCI environment but the necessary driver for supporting such access to the database server is not installed or linked in.

Action: Check if the driver corresponding to the database server has been installed/linked in and entered in the server driver table.

Error Type: ORA

• Additional information for ORA-21520: database server driver not installed21520
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