goal unexpectedly failed: user:http_reply_from_files('.',[],[path_info('\' + l + \''),protocol(http),peer(ip(127,0,0,1)),pool(client('httpd@5040',http_unix_daemon:http_dispatch,<stream>(0x7f2df804da40),<stream>(0x7f2df8053310))),input(<stream>(0x7f2df804da40)),method(get),request_uri('/\'%20+%20l%20+%20\''),path('/\' + l + \''),http_version(1-1),host(localhost),port(5040),user_agent('SWI-Prolog'),connection(close)])
SWI-Prolog httpd at snapshot-11103720-debian-4gb-fsn1-1