phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e277336b69b29e8ce10a4a0f70d78f7c' 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 ('e277336b69b29e8ce10a4a0f70d78f7c', -1, 1534601882, 1534601882, '365066aa', 23, 0, 0)

Line : 198
File : sessions.php