In Dynamics AX 2012 Development mode when I try to open shared project 75% of time I have this error :
xPropertySetData::unpack : Property not found : 2880
When I press “OK”, dynamics AX is closed. I’m not working with my local AOS. We connect to the AOS on a server.
I have seen this error in other sites and no one has a solution to the issue.

I suppose you’re a
System administratorin AX (to rule out problems with privileges)?Did you try clearing the usage data (Tools > Options > User data > Reset)?
Did you try removing the AUC file from your application data folder?
Did you try recompiling the application?
Are Ax32Serv.exe and Ax32.exe of the same version?
Did you try restarting the AOS(‘s)?
Do you have only one AOS in that environment? If not, do you have the same problem when you connect to another AOS?
P.S. And of course, if the problem is only with one project, why not delete it and create a new one with the same objects?