Couldn't run it via the GUI as it didn't have the option for the cache drive. Ran it via the CLI and got the following...
xfs_repair /dev/nvme0n1
Phase 1 - find and verify superblock...
bad primary superblock - bad magic number !!!
attempting to find secondary superblock...
.found candidate secondary superblock...
unable to verify superblock, continuing...
.found candidate secondary superblock...
unable to verify superblock, continuing...
.found candidate secondary superblock...
unable to verify superblock, continuing...
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Sorry, could not find valid secondary superblock Exiting now.