Database Error!

Error: Field 'last_seen' doesn't have a default value
Query: INSERT INTO users (uid, password, ip_address, first_seen) VALUES ("5e8d2f2277c083.19894949", "dBfVffaNb4E1xFBBGY9bYOXU2W1vV9bp", "3.226.243.36", UNIX_TIMESTAMP())
File: /includes/database.class.php
Line: 98
Backtrace: