The application use C#, MVC, NHibernate with Oracle show me msg:

Table or viw doesn’t exists.

But if i update (simple update) the web.config, the problem is solved.
I set IIS pool of application to restart 3 times at day, but not solved.
Can help me?

IIS VERSION: 10.0
nhibernate version: 4.0.0.4000

<?xml version="1.0" encoding="utf-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=301880
  -->
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>
  <connectionStrings>
    <add name="LUA" connectionString="Data Source=PROD; User Id=***;Password=***; Min Pool Size=0; Max Pool Size=400; Pooling=true;" />
    <add name="ESI" connectionString="Data Source=PROD; User Id=***;Password=***; Min Pool Size=0; Max Pool Size=400; Pooling=true;" />
    <add name="SEG" connectionString="Data Source=PROD; User Id=***;Password=***; Min Pool Size=0; Max Pool Size=400; Pooling=true;" />
    <add name="SOL" connectionString="Data Source=PROD; User Id=***;Password=***; Min Pool Size=0; Max Pool Size=400; Pooling=true;" />
  </connectionStrings>
  <appSettings>
    <add key="emailDefault" value="****" />
    <add key="webpages:Version" value="3.0.0.0" />
    <add key="webpages:Enabled" value="false" />
    <add key="ClientValidationEnabled" value="true" />
    <add key="UnobtrusiveJavaScriptEnabled" value="true" />
    <add key="LogAtivo" value="false" />
    <add key="pathAD" value="LDAP://base-pdc" />
    <add key="pathADAlt" value="LDAP://base-mea" />
    <add key="domain" value="lider" />
    <add key="strconn_sgq" value="DATA SOURCE=***;PASSWORD=***;PERSIST SECURITY INFO=True;USER ID=SHAREPOINT" />
    <add key="Versao_Jornada" value="6.1.0" />
    <add key="ENDERECO_DBDIGITAL_FILES" value="\***" />
    <add key="Ambiente" value="DSV" />
    <add key="LinkExterno" value="***.com.br" />
    <add key="API_ASSINATURA_RDV" value="***" />    
    
    <add key="Versao" value="1.2.0"/>
    <add key="ENDERECO_VERSAO_GIOPE" value="***" />
    <add key="ENDERECO_EXISTE_NOVA_VERSAO_GIOPE" value="***" />
    <add key="ENDERECO_LISTAR_VERSAO_GIOPE" value="***" />
    <add key="ENDERECO_CONFIRMAR_LEITURA_GIOPE" value="***" />
    <add key="ENDERECO_RETORNAR_VERSOES" value="***" />
    
    <!--ALERTA COVID - JORNADA-->
    <add key="USUARIO_ALERTA_COVID" value="***" />
    <add key="USUARIO_EMAIL_ALERTA_COVID" value="***" />
    <add key="SENHA_ALERTA_COVID" value="***" />
    <add key="DESTINATARIOS_ALERTA_COVID" value="***" />
  </appSettings>
  <system.webServer>
    <handlers>
      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
      <remove name="OPTIONSVerbHandler" />
      <remove name="TRACEVerbHandler" />
      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
    </handlers>
    <security>
      <requestFiltering>
        <requestLimits maxQueryString="1000000" />
      </requestFiltering>
    </security>
        <httpProtocol>
            <customHeaders>
                <add name="Access-Control-Allow-Credentials" value="true" />
                <add name="Access-Control-Allow-Headers" value="accept,authorization,content-type" />
                <add name="Access-Control-Allow-Methods" value="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" />
                <add name="Access-Control-Allow-Origin" value="*" />
            </customHeaders>
        </httpProtocol>
  </system.webServer>
  <system.web>
    <customErrors mode="Off" />
    <compilation debug="true" targetFramework="4.5" />
    <httpRuntime maxQueryStringLength="1000000" maxUrlLength="1000000" maxRequestLength="1048576" targetFramework="4.5" />
    <globalization culture="pt-BR" uiCulture="pt-BR" />
    <authentication mode="None" />
    <sessionState timeout="120"></sessionState>
  </system.web>
  <system.web.extensions>
    <scripting>
      <webServices>
        <jsonSerialization maxJsonLength="500000000" />
      </webServices>
    </scripting>
  </system.web.extensions>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Optimization" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="1.1.0.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="WebGrease" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="itextsharp" publicKeyToken="8354ae6d2174ddca" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-5.0.5.0" newVersion="5.0.5.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
      </dependentAssembly>
    </assemblyBinding>
  </runtime>
</configuration>

When update the web.config, the problem is solved.