[object SequelizeInstance:country] when exporting a tree collection to excel file

[mz0in]

when exporting a tree collection to excel file , and trying to add the parent, child in the exported fields
the related field result is not exported as it should ,
also , we should be able to export the tree serial sequencing

object SequelizeInstance:country],[object SequelizeInstance:country]

[baiheinet]

#2439