The internal-delimiter parameter cannot be defined for non-repeatable elements. The max-count parameter cannot be defined for non-repeatable elements. The max-count-ends-with parameter cannot be defined for non-repeatable elements. Repeatable element is not allowed at this level (layout-element of repeatable element). The valid-if parameter cannot be defined at this level (layout-element of repeatable element). The delimiter parameter cannot be defined at this level (layout-element of repeatable element). The internal-delimiter parameter cannot be defined at this level (layout-element of repeatable element). The max-count parameter cannot be defined at this level (layout-element of repeatable element). The max-count-ends-with parameter cannot be defined at this level (layout-element of repeatable element).