Tell us what you are trying to do?
Language URL format showing invalid error while setting domains for different languages
Is there any documentation that you are following?
No
Is there a similar example that we can see?
yes its our staging site, hidden link
What is the link to your site? hidden link
Please uncheck the option to "validate on save" and save.
Once done check your URL format in the front end, is it working as expected?
Sometime the validation can fail due to not being able to contact the host correctly, however, if everything is set up correctly it will work as expected even without the validation.
