phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4e661b06f97f0aa8f951f1e81391658e' 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 ('4e661b06f97f0aa8f951f1e81391658e', -1, 1769562315, 1769562315, 'd849d8d0', -4, 0, 0)

Line : 187
File : sessions.php