phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '17629b035816107487df718b014a20e7' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('17629b035816107487df718b014a20e7', -1, 1789860510, 1789860510, 'd849d898', 1, 0, 0)

Line : 187
File : sessions.php