badly formed url https:/cgl.gi.ucsc.edu/data/cactus/605-vertebrate-2020-hub/Nothocercus_nigrocapillus/trackDb.txt, expected :// after the protocol

mustOpen: Can't open https:/cgl.gi.ucsc.edu/data/cactus/605-vertebrate-2020-hub/Nothocercus_nigrocapillus/Nothocercus_nigrocapillus.2bit to read: No such file or directory