phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'edf78b3506a3a9f04b89436e15bdb7a4' 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 ('edf78b3506a3a9f04b89436e15bdb7a4', -1, 1728329644, 1728329644, '7f000001', 1, 0, 0)

Line : 187
File : sessions.php