phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1c4dc9a86d1495be41dc46d9f5b3c64a' 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 ('1c4dc9a86d1495be41dc46d9f5b3c64a', -1, 1715546935, 1715546935, '0315f4ac', 0, 0, 0)

Line : 187
File : sessions.php