English: Requirement: Go to Plugins → Plugin Editor → Select plugin to edit → FIFU → Select. Then change the value of FIFU_DELETE_ALL_URLS from false to true.
Dutch: Vereiste: ga naar Plugins → Plugin editor → selecteer plugin om te bewerken → FIFU → selecteer. Verander daarna de waarde van FIFU_DELETE_ALL_URLS van false naar true.