web.config set UseSSL false - asp.net

Question

I am getting deep trouble for by just changing web.config content. After so many traces, I have found that it causes because I have changed web.config.
When I change my web.config file, UseSSL parameter get "False". This cause so many issues like Payment Gateway.
Can anybody suggest me which thing make it false?
Following are new element that is not there in old web.config.
<configuration>
<system.web>
<compilation debug="false" strict="true" explicit="true" targetFramework="4.6.2" optimizeCompilations="true" enablePrefetchOptimization="true">
<assemblies>
</assemblies>
</compilation>
<trace enabled="false" localOnly="true"/>
<pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID" pageParserFilterType="BVSoftware.Bvc5.Core.Utilities.BVPageParserFilter">
<authentication mode="None"/>
<httpCookies httpOnlyCookies="true" requireSSL="false" />
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<httpErrors errorMode="Custom">
<remove statusCode="404" subStatusCode="-1" />
<error statusCode="404" prefixLanguageFilePath="" path="/Error.aspx" responseMode="ExecuteURL" />
<error statusCode="403" subStatusCode="14" path="/Error.aspx" responseMode="ExecuteURL" />
</httpErrors>
<staticContent>
<clientCache cacheControlCustom="public" cacheControlMode="UseMaxAge" cacheControlMaxAge="30.00:00:00" />
</staticContent>
<httpCookies httpOnlyCookies="true" requireSSL="false" />
</system.webServer>
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding name="FirstDataGlobalGatewayE4">
<security mode="Transport" />
</binding>
</basicHttpBinding>
</bindings>
<client>
<endpoint address="https://api.xxxxxxxxxx.firstdata.com/transaction/v11"
binding="basicHttpBinding" bindingConfiguration="FirstDataGlobalGatewayE4"
contract="FirstDataService.ServiceSoap" name="FirstDataGlobalGatewayE4" />
</client>
</system.serviceModel>
<runtime>
<NetFx40_LegacySecurityPolicy enabled="true" />
</runtime>
</configuration>