copy project with V2.6

Works fine on Demo.
I "copied easyproject" to "easyproject copy" : sub-project and activities are copied.

Can you check :
- if you have any error reported in the log file
- check that all you items are in stable status : go to each item, and save item without any change. If result is "item saved", it means your item is not in stable status, and cannot be copied. It may happen where items have been copied before V2.6 : default status is not set. Since V2.6 item are copied into new status "copied".