Fix project transfer feature

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Fix 500 error when rename repository

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Version to 6.4.1

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>