no data exception and no documentation warnings in generated code

generateAll.sh

@@ -70,6 +70,10 @@ if [ "$STAGE2" = "1" ]; then
       -e 's#\(using '$PACKAGE_NAME'.OpenApi;\)#\1\n\n// added by post-processor\nusing '$PACKAGE_NAME'.Services;\n#' \
       -e 's#^\([[:space:]]*\)\(// Add framework services.\)#\1// added by post-processor\n\1services.AddTransient<IDbService, DbService>();\n\n\1\2#'
 
+  echo "disable documentation warnings in generated code"
+  sed -i output/src/$PACKAGE_NAME/$PACKAGE_NAME.csproj \
+      -e 's#\(</PropertyGroup>\)#<NoWarn>1591</NoWarn>\n\1#'
+
   echo "create directories for manually developed code"
   mkdir output/src/$PACKAGE_NAME/Implementations
   mkdir output/src/$PACKAGE_NAME/Services