Dear Sirs/Madam,

    We were using our own custom BigWig tracks in hg18/hg19 for the last
12 months.This week we noticed that we can no longer visualize the tracks.We
now get an error message in both assemblies :

"bigWig data does not match assembly (hg18) - chromSize for chr1 in bigWig
(657315327) does not match assembly chromSize (247249719)"

We knew from the past that our mapped fragments have coordinates beyond
the end of the chromosomes(due to the hypothesized extension length from
the beginning of the mapped fragment-we used Chip-seq data) but this
wasn't a problem in the past until now. Do you have any ideas what might
have changed and a potential solution instead of recreating all the
tracks.


Thank you very much in advance
Spyros Oikonomopoulos

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