Again Magma and 3.9

[Martin Beck]

Martin Beck schrieb:

> But now we got another problem:
> When committing changes to the server, there are some cases in which we 
> always get the following error message: "MagmaUserError: Invalid 
> reference, an object may not change during serialization". Some hints to 
> this error message would be appreciated...
Got this one. We had a link to the database session somewhere in our 
data structure. Obviously, without trying to serialize this one, too, it 
works...

Thanks,
Martin