What happens if List is selected as the filter type for a Fixed Length text field with more than 255 items?

When List is selected as the filter type for a Fixed Length text field that contains more than 255 items, the system automatically reverts to the Textbox filter type. This limitation is primarily due to underlying technical constraints within certain platforms and their handling of metadata. Fixed Length text fields are designed for specific use cases, and when the item count exceeds the allowed threshold for list-based filters, switching to a Textbox allows users to manually enter values rather than being constrained by a list that cannot display or represent all available options.

This behavior preserves the user's ability to interact with the data even when it exceeds the system's predefined limits for a List filter type. Therefore, by adjusting the filter type to Textbox, the system ensures that users can still input values without the structural limitations that would come from trying to represent an overly large dataset within a List format. The system's design prioritizes functionality and user experience under these conditions.