Advise to use REMOVE_PROPERTIES_FROM_TYPE_OTHER_THAN_OBJECT

Author: galamome

modules/openapi-generator/src/main/java/org/openapitools/codegen/InlineModelResolver.java

@@ -356,7 +356,9 @@ private void gatherInlineModels(Schema schema, String modelPrefix) {
         } else if (schema.getProperties() != null) {
             // If non-object type is specified but also properties
             LOGGER.error("Illegal schema found with non-object type combined with properties," +
-                    " no properties should be defined:\n " + schema.toString());
+                    " no properties should be defined:" +
+                    " consider using --openapi-normalizer REMOVE_PROPERTIES_FROM_TYPE_OTHER_THAN_OBJECT=true\n " +
+                    schema.toString());
             return;
         } else if (schema.getAdditionalProperties() != null) {
             // If non-object type is specified but also additionalProperties