I am not able to reproduce this issue at my end. Would it be possible for you to share the file with me if it is happening in some file consistently? you can share it on firstname.lastname@example.org and tag me in the mail
An error occurred while saving the commentDaniel Segginger commented
I had the same issue. Long workaround for me... : Select all / Then... Object/ Hide selected. From there I gradually unhide my Sublayers / Layers till one was "bugged". Cut the Vector in the Bugged Layer and Paste in Place into a new one.