phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '23863637c66158b8715e4d4d254ab41b' 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 ('23863637c66158b8715e4d4d254ab41b', -1, 1766217289, 1766217289, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php