phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8ae3ed397b8b7016ec1e2e8983fa2a2' 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 ('f8ae3ed397b8b7016ec1e2e8983fa2a2', -1, 1770427227, 1770427227, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php