unable to import data

Support
1

Could not create IO object for reading file C:/Users/gigabyte!/Desktop/output/pa000/st000/se029/ecg000.dcm
Tried to create one of the following:
NiftiImageIO
NrrdImageIO
GiplImageIO
JPEGImageIO
GDCMImageIO
BMPImageIO
LSMImageIO
PNGImageIO
TIFFImageIO
VTKImageIO
StimulateImageIO
BioRadImageIO
MetaImageIO
MRCImageIO
MINCImageIO
MGHImageIO
MRMLIDImageIO
HDF5ImageIO
GE4ImageIO
GE5ImageIO
You probably failed to set a file suffix, or
set the suffix to an unsupported type.

2

Have a look at the suggestions here: https://www.slicer.org/wiki/Documentation/Nightly/FAQ/DICOM