interprocess

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under window 10 C# net6 version: 1.0.169

Created a simple publisher/subscriber test and working perfectly for 1P1C mode (P-producer, C- consumer) however, when trying 1P2C mode, get the following exception after a short while in one of consumers

Unhandled exception. System.InvalidOperationException: This is unexpected and can be a serious bug. We take a lock on this message prior to this point which should ensure that the HeadOffset is left unchanged.
   at Cloudtoid.Interprocess.Subscriber.TryDequeueImpl(Nullable`1 resultBuffer, CancellationToken cancellation, ReadOnlyMemory`1& message)
   at Cloudtoid.Interprocess.Subscriber.TryDequeueCore(Nullable`1 resultBuffer, CancellationToken cancellation, ReadOnlyMemory`1& message)
   at Cloudtoid.Interprocess.Subscriber.TryDequeue(Memory`1 resultBuffer, CancellationToken cancellation, ReadOnlyMemory`1& message)