Here is the stacktrace:
anzen_server | IndexWorker: Unexpected exception while indexing Document with Id '0046b904-9a1f-47bb-b2df-2098dc51c5fa': System.PlatformNotSupportedException: System.Drawing.Common is…...Rendering.Pdf.PdfDevice.BeginPage(SizeF...☻) anzen_server | at ♣ .☼ ☻(Renderer ☻, ♣ [] ♥, IDevice ♣, TimeSpan)...