phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7cc7559d034b1dc264dbb11aa6e50293' 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 ('7cc7559d034b1dc264dbb11aa6e50293', -1, 1529912442, 1529912442, '36a7e644', 3, 0, 0)

Line : 187
File : sessions.php