nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

The following language declarations do not contain valid machine-redable codes: English-US

I have been receiving this error:

Changed everything to "English (en)" but still can't help. Anyone has solution to this?

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Thile the error appears on validation, it does not prevent publishing; refer to Manage multiple languages—ArcGIS Survey123 | Documentation.

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