The R script below worked several days ago, for the past two days it hangs or occasionally returns
Error in value[[3L]](cond) :
Request to BioMart web service failed. Verify if you are still connected to the internet. Alternatively the BioMart web service is temporarily down.
R libraries and biconductor libraries updated with no effect.
variation = useEnsembl(biomart="snp", dataset="hsapiens_snp")
px <- c("rs11432677","rs632952","rs60178352","rs174686","rs201456215")
ppx <- getBM(attributes=c('refsnp_id','chr_name','chrom_start','chrom_end',"ensembl_peptide_allele",
filters = 'snp_filter', values =px, mart = variation)