Originally Posted by sol95

While the error still appeared when trying to access the details of my booking, I was able to complete online check in just now for my flight tomorrow using the JAL app and received a confirmation email with my boarding pass. This was for an award redemption using QF miles.

so while I’m expecting a few delays as I’m transitting through NRT, I don’t envisage any further problems. Hope this helps, and I’ll post again if there are any further issues.