NFS thinks storage already exists with different size

[RossWilliamson]

For some reason I can no longer create NFS mounts. Error is as below. Confirmed no volume of same name. Tried upgrading from helm with no joy. System is now broken and no idea how to fix. Don't want to go back to longhorn :(

Warning ProvisioningFailed 2s (x4 over 9s) org.democratic-csi.nfs-client_nfs-democratic-csi-controller-676b4bfc87-rxd48_c2fb115a-516e-4baf-966e-e6cbb30c817c failed to provision volume with StorageClass "democratic-nfs-client": rpc error: code = AlreadyExists desc = volume has already been created with a different size, existing size: -, required_bytes: 104857600, limit_bytes: 0