************* Exception Text **************
System.IndexOutOfRangeException: Cannot find table 0.
    at System.Data.DataTableCollection.get_Item(Int32 index)
    at Plugin_Search.SearchControl.SearchResults(String Keyword, Int32 NewStart)
    at Plugin_Search.SearchControl.CbGenreSelectedIndexChanged(Object sender, EventArgs e)
    at System.Windows.Forms.ComboBox.OnSelectedIndexChanged(EventArgs e)
    at System.Windows.Forms.ComboBox.set_SelectedIndex(Int32 value)
    at rdjInterface.Categories.PopulateGenreList(ComboBox& genreCombo, Boolean WithAny)
    at Plugin_Search.SearchControl.PopulateGenres()
    at Plugin_Search.SearchControl.SetupColumns()
    at Plugin_Search.SearchControl.SearchControlLoad(Object sender, EventArgs e)
ect...

In most cases, the database is corrupted and needs a repair.

You can use HeidiSQL to do a database repair.

There is a instruction movie for it from Marius How to repair a corrupted MySQL/MariaDB database using HeidiSQL?

Or the Movie database repair instruction by radiodj.site.

Download this mp4 video.