Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/abc/Scotland/event/20200103/ValeOfAtholl1.abc"
X:1 not found in http://john-chambers.us/~jc/music/abc/Scotland/event/20200103/ValeOfAtholl1.abc
Error exit status 256; here are some files to check: