We at SayIntentions.AI are getting reports by users that retrieving the Simbrief flightplans are intermittently failing. Are there any issues known on your end? I see mentions of invalid user IDs.
I also see the same issue popping up on other discords. So it looks like something is failing.
In the mean time we advice our users to keep trying to download the plan as it seems to work after a few attempts.
We started an investigation and found that SayIntentions specifically was blocked by SimBrief based on traffic patterns originating from their servers. We have applied a temporary solution to unblock the traffic, and are working towards a more permanent solution together with them!
At the moment, everything is up and running again.
If you are seeing a similar issue outside of SayIntentions, the cause is different! Please post in a dedicated topic.