debuild -S for aspell-bn

$ debuild -S
 dpkg-buildpackage -rfakeroot -us -uc -ui -S
dpkg-buildpackage: info: source package aspell-bn
dpkg-buildpackage: info: source version 0.2
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Pavel Sayekat <pavelsayekat@gmail.com>
 dpkg-source --before-build aspell-bn-0.2
 fakeroot debian/rules clean
dh clean
   dh_clean
 dpkg-source -b aspell-bn-0.2
dpkg-source: info: using source format '3.0 (native)'
dpkg-source: info: building aspell-bn in aspell-bn_0.2.tar.xz
dpkg-source: info: building aspell-bn in aspell-bn_0.2.dsc
 dpkg-genbuildinfo --build=source
 dpkg-genchanges --build=source >../aspell-bn_0.2_source.changes
dpkg-genchanges: info: including full source code in upload
 dpkg-source --after-build aspell-bn-0.2
dpkg-buildpackage: info: source-only upload: Debian-native package
Now running lintian aspell-bn_0.2_source.changes ...
E: aspell-bn changes: bad-distribution-in-changes-file unstable
E: aspell-bn source: source-contains-unsafe-symlink proc
E: aspell-bn source: readme-source-is-dh_make-template
W: aspell-bn source: useless-autoreconf-build-depends autotools-dev
W: aspell-bn source: superfluous-clutter-in-homepage <https://gitlab.com/Pavel-Sayekat/aspell-bn>
E: aspell-bn source: debian-rules-is-dh_make-template
Finished running lintian.
Now signing changes and any dsc files...
 signfile dsc aspell-bn_0.2.dsc Pavel Sayekat <pavelsayekat@gmail.com>
gpg: skipped "Pavel Sayekat <pavelsayekat@gmail.com>": No secret key
gpg: /tmp/debsign.qoXYt0Q2/aspell-bn_0.2.dsc: clear-sign failed: No secret key
debsign: gpg error occurred!  Aborting....
debuild: fatal error at line 1081:
running debsign failed