Hugo -v shows some warnings

hugo -v shows some warnings. I have a multilanguage page with two languages. German and english. How can I solve this warnings. I have another project with only one language. I get the same warnings.

I get the messages:

INFO 2018/04/05 11:42:02 Using config file: /home/jklein/Projects/homepage/config.toml
Building sites … WARN 2018/04/05 11:42:02 Unable to find Static Directory: /home/jklein/Projects/homepage/static/
INFO 2018/04/05 11:42:02 syncing static files to /home/jklein/Projects/homepage/public/en
WARN 2018/04/05 11:42:02 No translation bundle found for default language "en"
WARN 2018/04/05 11:42:02 Translation func for language en not found, use default.
WARN 2018/04/05 11:42:02 i18n not initialized, check that you have language file (in i18n) that matches the site language or the default language.
WARN 2018/04/05 11:42:02 Unable to find Static Directory: /home/jklein/Projects/homepage/static/
INFO 2018/04/05 11:42:02 syncing static files to /home/jklein/Projects/homepage/public/de
WARN 2018/04/05 11:42:02 Translation func for language de not found, use default.
WARN 2018/04/05 11:42:02 i18n not initialized, check that you have language file (in i18n) that matches the site language or the default language.
INFO 2018/04/05 11:42:02 found taxonomies: map[string]string{"category":"categories", "tag":"tags"}
INFO 2018/04/05 11:42:02 found taxonomies: map[string]string{"category":"categories", "tag":"tags"}