phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b2c2ad02fbe5504c55a550c28c7243d7' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('b2c2ad02fbe5504c55a550c28c7243d7', -1, 1743712776, 1743712776, '1274f100', 0, 0, 0, '0')

Line : 187
File : sessions.php