[Solved] Facebook Login Error: Bad Request URL

Hello,

this code is not working now, i guess facebook has made some changes

please check and advice

https://www.aspsnippets.com/DownloadFile.aspx?File=ee7ebdd6-bc69-4cee-ab61-a059f18e8e65.zip#center

{
   "error": {
      "message": "URL \u0644\u0648\u0688 \u0646\u06c1\u06cc\u06ba \u06a9\u06cc\u0627 \u062c\u0627 \u0633\u06a9\u062a\u0627: \u0627\u0633 URL \u06a9\u06cc \u0688\u0648\u0645\u06cc\u0646 \u0627\u06cc\u067e \u06a9\u06cc \u0688\u0648\u0645\u06cc\u0646\u0632 \u0645\u06cc\u06ba \u0634\u0627\u0645\u0644 \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4 \u06cc\u06c1 URL \u0644\u0648\u0688 \u06a9\u0631\u0646\u06d2 \u06a9\u0627 \u0627\u06c1\u0644 \u06c1\u0648\u0646\u06d2 \u06a9\u06cc\u0644\u0626\u06d2\u060c \u0627\u067e\u0646\u06cc \u0627\u06cc\u067e \u06a9\u06cc \u062a\u0645\u0627\u0645 \u0688\u0648\u0645\u06cc\u0646\u0632 \u0627\u0648\u0631 \u0630\u06cc\u0644\u06cc \u0688\u0648\u0645\u06cc\u0646\u0632 \u06a9\u0648 \u0627\u067e\u0646\u06cc \u0627\u06cc\u067e \u06a9\u06cc \u0633\u06cc\u0679\u0646\u06af\u0632 \u06a9\u06cc \u0627\u06cc\u067e \u0688\u0648\u0645\u06cc\u0646\u0632 \u0641\u06cc\u0644\u0688 \u0645\u06cc\u06ba \u0634\u0627\u0645\u0644 \u06a9\u0631\u06cc\u06ba\u06d4",
      "type": "OAuthException",
      "code": 191,
      "fbtrace_id": "A9fKz7xh4xpOaJKAYoUeCZ8"
   }
}