"Has improper value for" is a predefined property to track input errors for irregular value annotations that was likely caused by type or allowed value restrictions.
en:Free-form text identifying a sampling event to humans. Sampling events have time, location, perhaps purpose and act as a container for multiple sampling units. +
Free-form text identifying a sampling event to humans. Sampling events have time, location, perhaps purpose and act as a container for multiple sampling units. +
