phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '26c7b8e334405c34417770ed9c3d780c' 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 ('26c7b8e334405c34417770ed9c3d780c', -1, 1765439524, 1765439524, 'd849d8de', -4, 0, 0)

Line : 187
File : sessions.php