We would like to inform you that on 17 May (Friday) between 4:00 p.m. and 8:00 p.m. the USOS system and related systems such as USOSadm / APD/ USOS web/ PLANISTA will be unavailable due to maintenance work.
We apologise for all the inconvenience.
Source: IT Centre, University of Lodz
Edit: Communications and PR Centre, University of Lodz