Running examples in ‘hdf5r.Extra-Ex.R’ failed
The error most likely occurred in:

> ### Name: h5Backup
> ### Title: Back up contents from one HDF5 file to another
> ### Aliases: h5Backup
> 
> ### ** Examples
> 
> file <- system.file("extdata", "pbmc_small.h5ad", package = "hdf5r.Extra")
> to.file <- tempfile(fileext = ".h5")
> 
> h5Backup(file, to.file, exclude = "X")
Backup '/layers' from '/Volumes/Builds/packages/high-sierra-x86_64/results/4.2/hdf5r.Extra.Rcheck/hdf5r.Extra/extdata/pbmc_small.h5ad' to '/Volumes/Temp/tmp/RtmpnWrRBK/file58766c778e33.h5'
Backup '/obs' from '/Volumes/Builds/packages/high-sierra-x86_64/results/4.2/hdf5r.Extra.Rcheck/hdf5r.Extra/extdata/pbmc_small.h5ad' to '/Volumes/Temp/tmp/RtmpnWrRBK/file58766c778e33.h5'
Backup '/obs/RNA_snn_res.0.8' from '/Volumes/Builds/packages/high-sierra-x86_64/results/4.2/hdf5r.Extra.Rcheck/hdf5r.Extra/extdata/pbmc_small.h5ad' to '/Volumes/Temp/tmp/RtmpnWrRBK/file58766c778e33.h5'
Error in to.h5fh$obj_copy_from(src_loc = h5fh, src_name = all_links[i,  : 
  HDF5-API Errors:
    error #000: ../../src/hdf5-1.12.1/src/H5Ocopy.c in H5Ocopy(): line 240: unable to copy object
        class: HDF5
        major: Object header
        minor: Unable to copy object

    error #001: ../../src/hdf5-1.12.1/src/H5VLcallback.c in H5VL_object_copy(): line 5495: object copy failed
        class: HDF5
        major: Virtual Object Layer
        minor: Unable to copy object

    error #002: ../../src/hdf5-1.12.1/src/H5VLcallback.c in H5VL__object_copy(): line 5456: object copy failed
        class: HDF5
        major: Virtual Object Layer
        minor: Unable to copy object

    error #003: ../../src/hdf5-1.12.1/src/H5VLnative_object.c in H5VL__native_object_copy(): line 125: unable to copy object
        class: HDF5
        major: Object header
        minor: Unable to copy object

    error #004: ../../src/hdf5-1.12.1/src/H5Ocopy.c in H5O__copy(): line 282: destination object already exists
        class: HDF5
        major: Object header
       
Calls: h5Backup -> <Anonymous> -> .Call
Execution halted