phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c6c4d88cda8388060d07a5715e245564' 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 ('c6c4d88cda8388060d07a5715e245564', -1, 1714236963, 1714236963, '00000000', -10, 0, 0)

Line : 187
File : sessions.php