Your new Yoda release 1.5 is coming. For every environment at a different time. The following maintenance times are planned.
 
Youth: on Tuesday, March 3 from 7:00 AM – 8:00 AM
I Lab: on Wednesday, March 4 from 7:00 AM – 8:00 AM
DGK: on Thursday March 5 from 7:00 AM to 8:00 AM
Science: on Friday, March 6 from 7:00 am – 8:00 am

Only during the maintenance of your own Yoda environment is it not available for you.