badly formed url https:/cgl.gi.ucsc.edu/data/cactus/605-vertebrate-2020-hub/Tricholaema_leucomelas/trackDb.txt, expected :// after the protocol
mustOpen: Can't open https:/cgl.gi.ucsc.edu/data/cactus/605-vertebrate-2020-hub/Tricholaema_leucomelas/Tricholaema_leucomelas.2bit to read: No such file or directory