Possible scenario..., page-6

"Red River had met with TCM regarding amending the royalty documentation to reflect a quarterly royalty payment, which TCM did not object to and TCM had requested that Red River prepare the necessary paperwork, before TCM gave notice of termination of the agreement due to non-payment of the royalties on a monthly basis"

TCM terminated the agreement so Royalties will have ceased at that point , wether RVR is eventually liable for them is far from certain.
There is no way they would lower tonnage or grades for an event that may well go RVR,s way anyway, it would also be a material event so would require notifying the market not to mention being unnecessary and making no sense IMO.

They have made Liontown the next mine, it is not involved with Royalties and bypassed Waterloo which is or maybe was...

Cherers Whisky