Actually I am not professional in using microsoft expression web 4 , I am using it on windows 11 , the problem is when I try to connect an ASPX connection but there is a pop up problem message says that the web.config page got errors so what should I do ?

Question

the error massege is : ( Connection information could not be stored in the web application configuration file (web.config) due to errors in the file . Fix the errors and try again )