Option not supported. Parameter name: SSH Passphrase (no replies)

Trying to use the .NET MySQL connector to create an SSIS Package.

When I try to test the connection, it gives this error:
TITLE: Connection Manager
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Test connection failed because of an error in initializing provider. Private key is encrypted but passphrase is empty.

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BUTTONS:

OK
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When I try to enter the passphrase in the Connection Manager, it gives this error:
Option not supported. Parameter name: SSH Passphrase