XML Coding wrong in Club Source

Hi guys! so when i was trying to make a club source pserver i did everything like a tutorial said https : // youtube / TrxEy9mD5EE?t=3m48s and at this part when i run my server.exe it goes not responding and inside the server.exe it says this: Listening at port 8888...

Unhandled Exception: System.TypeInitializationException: The type initializer for 'XmlDatas' threw an exception. ---> System.FormatException: Input string was not in a correct format.
at System.Number.ParseSingle(String value, NumberStyles options, NumberFormatInfo numfmt)
at System.Single.Parse(String s)
at TileDesc..ctor(XElement elem) in c:\Users\Mustis\Desktop\ROTMGServer-master\db\data\Descriptors.cs:line 600
at XmlDatas.ProcessXml(Stream stream) in c:\Users\Mustis\Desktop\ROTMGServer-master\db\data\XmlDatas.cs:line 215
at XmlDatas.ReadXmls() in c:\Users\Mustis\Desktop\ROTMGServer-master\db\data\XmlDatas.cs:line 54
at XmlDatas..cctor() in c:\Users\Mustis\Desktop\ROTMGServer-master\db\data\XmlDatas.cs:line 21
--- End of inner exception stack trace ---
at server.Program.Main(String[] args) in c:\Users\Mustis\Desktop\ROTMGServer-master\server\Program.cs:line 46

i went to the original github copied the XmlDatas.cs and went to sharpdevelop and pasted everything to my XmlDatas.cs file and rebuilt solution and sitll no work pls teach me how 2 fix?