On 02.07.2012 08:45, Yury Serdyuk wrote: > > Is it a bug in Mono and how to workaround it if possible ? It seems to be a bug regarding serialization of multidim. arrays. Workaround: use a holder class for these arrays and serialize it in place of the multidim. array: [Serializable] class ArrayHolder { public Complex[][] Array; } Please file a bug. Robert