Looks like the LD library path is bad

Author: Daniel Vickers

toolchain/modules

@@ -96,4 +96,5 @@ h-all HPC_OMPI_DIR="/apps/mpi/cuda/12.8.1/nvhpc/25.3/openmpi/5.0.7"
 h-all HPC_OMPI_BIN="/apps/mpi/cuda/12.8.1/nvhpc/25.3/openmpi/5.0.7/bin"
 h-all OMPI_MCA_pml=ob1 OMPI_MCA_coll_hcoll_enable=0
 h-gpu PATH="/apps/mpi/cuda/12.8.1/nvhpc/25.3/openmpi/5.0.7/bin:${PATH}"
+h-all LD_LIBRARY_PATH=/apps/compilers/cuda/12.8.1/lib64:$LD_LIBRARY_PATH
 h-gpu MFC_CUDA_CC=100 NVHPC_CUDA_HOME="/apps/compilers/cuda/12.8.1"