field type in wb-settings are too small for a bigger serialized string in media settings
if you work with a lot of subfolders in media and use the media settings, its possible that the size of the serialized string exceed the limit of the database field, type TEXT (64k) and you lost your settings
see also -> https://forum.websitebaker.org/index.php/topic,30486.0.html
ToDo: create a new table which can store unlimited entries.
this will make the procedure more secure and stable from removing the in memory serialization/deserialization of very large and extensive arrays. In addition we get the possibility to search through the table much more faster, we can sort the entries in several kinds and some more