problem in packaging my app

[Shubham Maheshwari]

i have a problem in packaging my app here is the error i cant get what the
problem is
shubhamm at localhost:~/real$ cd /home/shubhamm/real/widgets-1.0/
shubhamm at localhost:~/real/widgets-1.0$ debuild
This package has a Debian revision number but there does not seem to be
an appropriate original tar file or .orig directory in the parent directory;
(expected one of widgets_1.0.orig.tar.gz, widgets_1.0.orig.tar.bz2,
widgets_1.0.orig.tar.lzma,  widgets_1.0.orig.tar.xz or widgets-1.0.orig)
continue anyway? (y/n) y
 dpkg-buildpackage -rfakeroot -D -us -uc
dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g
-O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security
dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor):
-D_FORTIFY_SOURCE=2
dpkg-buildpackage: export CXXFLAGS from dpkg-buildflags (origin: vendor):
-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat
-Wformat-security
dpkg-buildpackage: export FFLAGS from dpkg-buildflags (origin: vendor): -g
-O2
dpkg-buildpackage: export LDFLAGS from dpkg-buildflags (origin: vendor):
-Wl,-Bsymbolic-functions -Wl,-z,relro
dpkg-buildpackage: source package widgets
dpkg-buildpackage: source version 1.0-1
dpkg-buildpackage: source changed by shubham <shubhamaheshwariy at gmail.com>
 dpkg-source --before-build widgets-1.0
dpkg-buildpackage: host architecture i386
 fakeroot debian/rules clean
dh clean
   dh_testdir
   dh_auto_clean
   dh_clean
 dpkg-source -b widgets-1.0
dpkg-source: error: can't build with source format '3.0 (quilt)': no
upstream tarball found at ../widgets_1.0.orig.tar.{bz2,gz,lzma,xz}
dpkg-buildpackage: error: dpkg-source -b widgets-1.0 gave error exit status
255
debuild: fatal error at line 1350:
dpkg-buildpackage -rfakeroot -D -us -uc failed
shubhamm at localhost:~/real/widgets-1.0$
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