Why can't UCSC chain file imported into MiModD Rebase site tool?

I want use ce10ToCe11.over.chain file with the MiModD rebase tool (Galaxy name: Rebase Sites ) to convert my VCF variant coordinates to the SnpEff genome file coordinates just before i do the annotation.But i find Can’t import the chain files to Galaxy rebase site tool

you need to declare the format of the chain file as tabular.
If you haven’t done so during upload, you can do it by clicking the pencil icon on the dataset in your history now, then select the datatype tab.

OK,thank you very much!

On 12/29/2020 04:48,Wolfgang Maier via Galaxy Community Helpgalaxy@discoursemail.com wrote: