phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f7a4a8264460cce0ae49bbda5e8bbaa5' 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 ('f7a4a8264460cce0ae49bbda5e8bbaa5', -1, 1765977637, 1765977637, 'd849d816', -4, 0, 0)

Line : 187
File : sessions.php