subset archr project

[XiaoKaixuan12333]

trafficstars

hi, i was try to subset the archr project according the cell type, the bigger archr project has call peak and when i subset and when i try to call peak this new and smaller archr project , i found the peakset in the bigger one has changed and make some errors. so what is other options for me to call peak the new one and do no change the original archr project.