I saw this message from computation window although I download hdf5:
Sediment Transport Analysis HEC-RAS 5.0.3 September 2016
HDF_ERROR trying to use HDF output file
Subroutine HDF_SET_COMPRESSION
Computations Summary
Computation Task Time(hh:mm:ss)
Completing Geometry <1
Sediment Computations(64) <1
Complete Process <1
HDF5-DIAG: Error detected in HDF5 (1.8.11) thread 0:
#000: ..\..\src\H5Pdcpl.c line 869 in H5Pset_chunk(): all chunk dimensions must be less than 2^32
major: Invalid arguments to routine
minor: Out of range