For days prior to May 20, 2023, the system saves favorites with the SAVE option and also with the SAVE AS option. However, after the 20th of May, that is, the 21st, 22nd, 23rd…onwards, it no longer accepts saving with any of the options.
Would you please share the steps to reproduce the issue on any of the play.dhis2.org instances? I tried to reproduce the issue but couldn’t - see screenshot: