Press Return to check your input parameters Press F5 to retry Check if this issue was already reported on GitHub (https://github.com/RSS-Bridge/rss-bridge/issues?q=is%3Aissue+is%3Aopen+Telegram+Bridge) (give it a thumbs-up) Open a GitHub Issue (https://github.com/RSS-Bridge/rss-bridge/issues/new?title=Telegram+Bridge+failed+with+error+502&body=Error+message%3A+%60Unexpected+response+from+upstream.%0AcUrl+error%3A++%280%29%0APHP+error%3A+%60%0AQuery+string%3A+%60action%3Ddisplay%26bridge%3DTelegram%26username%3Dkatalogtelegram%26format%3DAtom%60%0AVersion%3A+%60dev.2021-04-25%60&labels=Bridge-Broken&assignee=VerifiedJoseph) if this error persists