phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '257b4c949c523be5d98e6e3970bd12cc' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('257b4c949c523be5d98e6e3970bd12cc', -1, 1765722170, 1765722170, '12610e57', -11, 0, 0)

Line : 187
File : sessions.php