PDiT 2.0: trees with no annotation

[Ansa211]

PDiT2.0, search for any a-node

When I click the "following context" arrow, I get the following view:

I thought this is somehow related to the fact that I used the "following context" button, but I am getting the same empty tree after clicking five times "next result" (even after clearing the cache).

[matyaskopp]

I have cleared server cache. It seems that it works.