hummm try to make the error happen again and then either copy-paste the whole error message or take a screenshot and send it to me.
MM the knowledge base has all the error messages, reasons why errors happen, and fixes for errors. It's located Here. When I was working in tech support I used it 15 or 20 times a day.
(kaŝi) Se vi volas saluti iun en ties denaska lingvo, provu nian 'vortaron de ludanto', en la ligo "pli pri lingvoj" sub la flagoj. (pauloaguia) (Montri ĉiujn konsilojn)