Sony A7IV denoise unavailable

I've tried to use the denoise on a Lossless and compressed L RAW files from my A7IV. 
Initially it will start the process then stop. THen I'm unable to check the denoise box at all. 
I've updated to LR Classic 14.5 and camera raw 17.5. 
Updated to Sequoia 15.6. 

Lightroom Classic version: 14.5 [ 202508061311-4cef2162 ]
License: Creative Cloud
Language setting: en-AU
Operating system: Mac OS 15
Version: 15.6.0 [24G84]
Application architecture: arm64
Logical processor count: 10
Processor speed: NA
SqLite Version: 3.36.0
Power Source: Plugged In, 100%
Built-in memory: 32,768.0 MB
Dedicated GPU memory used by Lightroom: 9,081.5MB / 21,845.3MB (41%)
Real memory available to Lightroom: 32,768.0 MB
Real memory used by Lightroom: 6,191.5 MB (18.8%)
Virtual memory used by Lightroom: 420,971.1 MB
Memory cache size: 247.9MB
Internal Camera Raw version: 17.5 [ 2318 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 1266MB / 16383MB (7%)
Camera Raw real memory: 1439MB / 32768MB (4%)

Cache1:
Final1- RAM:254.0MB, VRAM:0.0MB, KJ100001.ARW
Final2- RAM:488.0MB, VRAM:3,240.0MB, KJ106565.ARW
Final3- RAM:502.0MB, VRAM:2,820.0MB, KJ100002.ARW
NT- RAM:1,244.0MB, VRAM:6,060.0MB, Combined:7,304.0MB