corrupted netcdf file

Hello hdf team,

I performed the operation

cdo mergetime

but the following appeared with file

cdo mergetime: Open failed on ><
Unsupported file type
HDF5-DIAG: Error detected in HDF5 (1.8.8) thread 0:
  #000: H5T.c line 1721 in H5Tclose(): not a datatype
    major: Invalid arguments to routine
    minor: Inappropriate type

Error (cdf_close) : NetCDF: HDF error

any suggestions