Extra BOM character appears in Backend HTML invalidating DOCTYPE tag · Issue #6408 · contao/core · GitHub

Turns out that the existance/nonexistance of DOCTYPE affects CSS rules like this one . In Contao Backend extra BOM character appears in Backend HTML invalidating DOCTYPE tag which therefore causes custom modules to display wrong in the B

publish fails with ERR_INVALID_CHAR Invalid character in header

Extra BOM character appears in Backend HTML invalidating DOCTYPE

html - SyntaxError: Invalid character '' message from the

Use response tag as a default value for a prompt · Issue #2722

Type[None]` should return `NoneType`, not `Type[NoneType]` · Issue

umbraco v9 unable to publish due to missing namespace in

Issues to Retrieve Metadata · Issue #351 · forcedotcom/cli · GitHub

Deleting a document type doesn't remove dependencies from its

gh-ost aborts on trying to UPDATE, errors on invalid character

Solved: HubSpot Community - ERROR 400 using Integromat to catch

java.lang.IllegalArgumentException: Invalid UTF-8 char: [d869