Operation Is Not Valid Due To The Current State Of The Object

I recently just upgraded my studio from 18 to 20.
I keep getting this error when I launch UiPath Studio and cant run anything.
I am connected to orchestrator. and have my license setup.

How do I fix this??

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Hi Luke, I ran into the exact same issue as yours. Were you able to find a solution for that? Thanks.

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Yes, what had happened was I did my training on UiPath studio version 2020. Thus my 2020 version of studio was connected to uipath cloud orchestrator from the training courses. After training I downgraded to 2918 (per my company). When i was on the 2018 version, I was on enterprise orchestrator with my company. However, when I upgraded back up to 2020 during our upgrades, it automatically connected me back to the training I had done on 2020. I just had to go into the 2020 cloud orchestrator from the training and remove my computer / robot from there and then was able to connect to my companies orchestrator.