[Description]
The opencryptoki User PIN associated with the token of Slot ID was not defined at load time.
[System Processing]
This is only a warning message when TDE_z is loaded.
[Action]
The token User PIN must be known to TDE_z before secure keys can be used. Specify the User PIN at load time with --user-pin option, or by GUC TDE_z.USER_PIN in postgresql.conf. Or, specify the User PIN at run-time using SELECT pgx_open_keystore(user pin); or SELECT pgx_set_master_key(user pin);