Add MDcouldNotPublish to list of accepted exceptions

MDErrorReporter.php

@@ -41,6 +41,7 @@ final public static function categorizeError(Throwable $exception):int {
             || $exception instanceof MDgenericInvalidInputsException
             || $exception instanceof MDExpectedException
             || $exception instanceof MDMysqliExpectedError
+            || $exception instanceof MDcouldNotSetPublic
         ) {
             return self::MD_ERROR_KNOWN;
         }