Why do I get this error message?
> library("rtracklayer")
> session <- browserSession()
> x<-ucscTableQuery(session, "knownGene" , GenomicRanges(0,12000,"chr1"))
Error in solveUserSEW0(start = start, end = end, width = width) :
solving row 1: range cannot be determined from the supplied arguments (too
many NAs)
In addition: Warning message:
In range(c("mammal", "hg19", "Human", "chr21:33,031,597-33,041,570" :
NAs introduced by coercion
> traceback()
10: .Call("solve_user_SEW0", start, end, width, PACKAGE = "IRanges")
9: solveUserSEW0(start = start, end = end, width = width)
8: IRanges(start, end)
7: GenomicRanges(range[1], range[2], posSplit[1], x[["db"]])
6: range(c("mammal", "hg19", "Human", "chr21:33,031,597-33,041,570"), na.rm =
FALSE)
5: range(<S4 object of class "UCSCSession">, na.rm = FALSE)
4: mergeRange(range(x), range)
3: .local(x, ...)
2: ucscTableQuery(session, "knownGene", GenomicRanges(0, 1e+05, "chr1"))
1: ucscTableQuery(session, "knownGene", GenomicRanges(0, 1e+05, "chr1"))
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