This have happened to me with several apps, the only workaround for me is going to the Lemmy website put English in the language field and post it there.
This has happened to me on the web with lemmy 0.18.2. Something seems to be a bit broken wrt languages.
An open-source cross-platform Lemmy client for iOS and Android built with Flutter.
This community is intended to discuss features and feature suggestions for Thunder; as well as friendly, respectful talks about lemmy in general.
Please use the GitHub repository linked below to submit bug reports, so keeping track of them is easier, and make sure to search first if you already can find an issue for your report.
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Relevant Links
Nightly Community: Link
Matrix Space: Link
GitHub Repository: Link
GitHub Official Releases: Link
Google Play: Link
Apple App Store: Link
TestFlight Beta: Link