phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2317c9f55b4b81c23e4f4866e7e2eae3' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2317c9f55b4b81c23e4f4866e7e2eae3', -1, 1761606611, 1761606611, 'd849d821', -9, 0, 0)

Line : 187
File : sessions.php