Text is hard to read in just a screenshot ALWAYS provide text descriptions of issues don’t rely on media alone.
You have to check in that locales file for the missing translation for the namespace and key a translation error gives you. If the namespace and or key do not exist you need to create theme.
If you need this fixed then contact me by email for services.
Contact info in forum signature.
ALWAYS please provide context, examples: store url, theme name, post url(s) , or any further detail in ALL correspondence.