phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7b49914d2481179a8887453dbb6e094f' 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 ('7b49914d2481179a8887453dbb6e094f', -1, 1763982639, 1763982639, 'd849d82b', -4, 0, 0)

Line : 187
File : sessions.php