phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c6dc794fae7a152c27173a5d897ab056' 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 ('c6dc794fae7a152c27173a5d897ab056', -1, 1767264495, 1767264495, 'd849d8a2', 1, 0, 0)

Line : 187
File : sessions.php