[Normalizer] add type information to an error message and fix #22743 (#22742)

Author: thatsdone

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

@@ -1854,7 +1854,7 @@ protected Schema processNormalize31Spec(Schema schema, Set<Schema> visitedSchema
                         schema.addAnyOfItem(new BooleanSchema());
                         break;
                     default:
-                        LOGGER.error("Type {} not yet supported in openapi-normalizer to process OpenAPI 3.1 spec with multiple types.");
+                        LOGGER.error("Type {} not yet supported in openapi-normalizer to process OpenAPI 3.1 spec with multiple types.", String.valueOf(type));
                         LOGGER.error("Please report the issue via https://github.com/OpenAPITools/openapi-generator/issues/new/.");
                 }
             }