phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '72b5c6a41ed4105e02abe1a26a28b8db' 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 ('72b5c6a41ed4105e02abe1a26a28b8db', -1, 1770673808, 1770673808, 'd849d876', 1, 0, 0)

Line : 187
File : sessions.php