replacing error img with cheaper version
replacing error img with cheaper version

pontikos/uclex_browser,pontikos/uclex_browser,pontikos/uclex_browser,pontikos/uclex_browser,hms-dbmi/exac_browser,konradjk/exac_browser,macarthur-lab/gnomad_browser,macarthur-lab/gnomad_browser,pontikos/uclex_browser,konradjk/exac_browser,hms-dbmi/exac_browser,macarthur-lab/gnomad_browser,macarthur-lab/gnomad_browser,konradjk/exac_browser,macarthur-lab/gnomad_browser,hms-dbmi/exac_browser