phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a953c5adb204a376218705cc836fd969' 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 ('a953c5adb204a376218705cc836fd969', -1, 1781670534, 1781670534, 'd849d827', 0, 0, 0)

Line : 187
File : sessions.php