phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f524c7ada4b002e59318d0b79ab5c6c0' 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 ('f524c7ada4b002e59318d0b79ab5c6c0', -1, 1789144143, 1789144143, 'd849d94f', -4, 0, 0)

Line : 187
File : sessions.php