phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fcfd597faf8a7b97ceb6e8521c0ff44f' 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 ('fcfd597faf8a7b97ceb6e8521c0ff44f', -1, 1765972459, 1765972459, 'd849d816', -4, 0, 0)

Line : 187
File : sessions.php