The job was canceled because "ubuntu-20_04" failed.

Error: Unable to locate executable file: undefined. Please verify either the file path exists or the file can be found within a directory specified by the PATH environment variable. Also check the file mode to verify the file is executable.

Unable to locate executable file: undefined. Please verify either the file path exists or the file can be found within a directory specified by the PATH environment variable. Also check the file mode to verify the file is executable.