phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '56ee3d57fdcc57654e0553159dc398bf' 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 ('56ee3d57fdcc57654e0553159dc398bf', -1, 1763770304, 1763770304, 'd849d8de', -4, 0, 0)

Line : 187
File : sessions.php