CMS Script Runtime Error

Conversion from string "817https://www.clinicum.ch/image" to type 'Integer' is not valid.

Exception Details: System.InvalidCastException

Exception Source: Microsoft.VisualBasic

Stack Trace:

   at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
   at Zynex.CMS.CustomCode.WebRequest.Render()
   at Zynex.CMS.Web.HttpHandler.PageProcessor.ProcessRequest(RequestParam rp)