phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8d6bc51a656c449d524c2413e0e7784' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c8d6bc51a656c449d524c2413e0e7784', -1, 1740214010, 1740214010, '12dafb32', 2, 0)

Line : 158
File : sessions.php