Let us inform you that on Tuesday (August 19, 11:00 p.m.) the skirit frontend will be shortly unavailable due to a SW upgrade. All running processes on the frontend will be terminated during the outage.
You can use any of the other frontends:
https://wiki.metacentrum.cz/wiki/Frontend
With apologies for the inconvenience and with thanks for your understanding.
Ivana Křenková,
MetaCentrum