I think we can all agree this was bound to happen. Blinker> Error: the snapback connection is lost. Reason: unknown. Blinker> Error: This session was terminated abnormally. Please don't move and keep Your eyes closed until emergency memory synchronization process finishes. Searching... Depending on how old dat thing is, of course.
It can't be too old or else it would probably just say "segfault." And then not explain anything beyond that.
"Non-acceptable error."
(I actually got that error message once from OS/MVS. Not only is it very far from helpful, it implies the existence of acceptable errors...)