phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '278b5340d8af7b7c1f806e7c20c43f7c' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('278b5340d8af7b7c1f806e7c20c43f7c', -1, 1715002687, 1715002687, '1275b796', -8, 0, 0)

Line : 187
File : sessions.php