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Today turned on TVPaint 11.7 Pro, and got a license error message! Codemeter says: Activation Invalid. It worked just 4 days ago. I did not update anything. Mac OS Monterey.
Repairing doesn't help either (see screenshot). Trying to reactivate shows an error too.

Hello Soom, I just responded to your email

What was your solution to this? I similarly have codemeter running on Mac (Sonoma) and the serial shows active in codemeter, but TVPaint 11.7 is throwing error 200.
EDIT: I found my solution, writing it here for others trying to troubleshoot. The license was not active. I had issues with the codemeter service a couple weeks ago and sent a deactivation request while troubleshooting. It took two weeks for the deactivation to go through apparently, so I didn't realize it'd happened. I had to find the original email from TVPaint containing the link to open my license manager (this is different from the codemeter webadmin page) and re-activated.