AWS aws-vault error no credentials found

Describes the cause and action for error messages.

Error Message(English)：
aws-vault error no credentials found

Resolution

Which profiles does aws-vault manage? ・ Issue #160 ・ 99designs/aws ...
https://github.com/99designs/aws-vault/issues/160

Ubuntu: KWalletManager dep ・ Issue #214 ・ 99designs/aws-vault ...
https://github.com/99designs/aws-vault/issues/214