Perhaps, your Pd version sprintfs gui names the %p way (former %x, now it is %lx in test10)? If not, would be nice to see an
that's not the problem ... i'm using %lx in devel_0_38 ...
example patch...
i attached one for the subpatch opening ... (patch.pd -> opens patch2.pd with message to pd) error message: invalid command name ".x8368430.m.windows"
it's more difficult for frozen gui elements (since they worked for about one hour) ... i couldn't reproduce their behaviour, yet ...
cheers ... tim