phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '976f2b4a900f687a6e0b8295f560a979' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('976f2b4a900f687a6e0b8295f560a979', -1, 1752229846, 1752229846, 'd849d906', 44, 0, 0)

Line : 187
File : sessions.php