I am trying to build hello world snap. The snapcraft.yaml is: name: hello version: '2.10' summary: GNU Hello, the "hello world" snap description: | GNU hello prints a friendly greeting. grade: devel confinement: devmode apps: hello: command: bin/hello bash: command: bash parts: gnu-bash: source: http://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz plugin: autotools configflags: ["--infodir=/var/bash/info"] When I try to build the snap I got the next error: popalex@ubuntu18-esb:~/mysnaps/hello$ snapcraft prime Skipping pull gnu-bash (already ran) Skipping build gnu-bash (already ran) Skipping stage gnu-bash (already ran) Skipping prime gnu-bash (already ran) Sorry, an error occurred in Snapcraft: Traceback (most recent call last): File "/usr/bin/snapcraft", line 11, in <module> load_entry_point('snapcraft==2.43.1+18.4', 'console_scripts', 'snapcraft')() File "/usr/lib/python3/dist-packages/click/core.py", line 722, in __call__ return self.main(*args, **kwargs) File "/usr/lib/python3/dist-packages/click/core.py", line 697, in main rv = self.invoke(ctx) File "/usr/lib/python3/dist-packages/click/core.py", line 1066, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/usr/lib/python3/dist-packages/click/core.py", line 895, in invoke return ctx.invoke(self.callback, **ctx.params) File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke return callback(*args, **kwargs) File "/usr/lib/python3/dist-packages/snapcraft/cli/lifecycle.py", line 115, in prime _execute(steps.PRIME, parts, **kwargs) File "/usr/lib/python3/dist-packages/snapcraft/cli/lifecycle.py", line 35, in _execute lifecycle.execute(step, project_config, parts) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 90, in execute executor.run(step, part_names) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 196, in run self._create_meta(step, processed_part_names) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 359, in _create_meta self.config.validator.schema, File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 109, in create_snap_packaging packaging.write_snap_yaml() File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 312, in write_snap_yaml snap_yaml = self._compose_snap_yaml() File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 468, in _compose_snap_yaml snap_yaml["apps"] = self._wrap_apps(self._config_data["apps"]) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 567, in _wrap_apps self._wrap_app(app, apps[app]) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 575, in _wrap_app app[k] = self._wrap_exe(app[k], "{}-{}".format(k, name)) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 546, in _wrap_exe with open(exepath, "rb") as exefile: FileNotFoundError: [Errno 2] No such file or directory: '/home/popalex/mysnaps/hello/prime/bin/hello' We would appreciate it if you created a bug report at https://launchpad.net/snapcraft/+filebug with the above text included.