sequencing question

i’ve been having trouble with my sequencer lately. yesterday it worked perfectly fine, but it doesn’t seem to want to work today. i know i’m routing in properly (midi track 1: midi keyboard>sequencer…midi track 2: sequencer>vsti), but once it’s routed theres no sound, movement on the sequencer, and there’s no led on the corresponding track - although it is recognized on the transport panel. any idea what might be wrong here?

Correct driver selected? checked VST connections?

Yup. The driver and connections are ok.
I also noticed that there is no midi led on the my sequencer when i open up the second midi track if that helps.