primitiveDoNamedPrimitiveWithArgs fails for B2DPlugin primitives

[LinqLover]

thisContext tryNamedPrimitiveIn: BalloonEngine>>#primGetFailureReason for: BalloonEngine new withArgs: #() should answer the same as BalloonEngine new primGetFailureReason, but instead the meta primitive fails with error 106, which is not even documented in Context>>#tryNamedPrimitiveIn:for:withArgs:. The same is also true for at least primFlushNeeded. In consequence, one cannot debug/simulate some Balloon code at the moment ...