phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '12783339417b436488884803c4dfcc78' 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 ('12783339417b436488884803c4dfcc78', -1, 1714415876, 1714415876, 'c0a80201', -8, 0, 0)

Line : 187
File : sessions.php