Exception: CHD::IOError
Overview
Error that happens when reading/writing data from/to the CHD file.
It is mapped to the following libchdr errors: `CHDERR_READ_ERROR`, `CHDERR_WRITE_ERROR`, `CHDERR_CODEC_ERROR`, `CHDERR_HUNK_OUT_OF_RANGE`, `CHDERR_DECOMPRESSION_ERROR`, `CHDERR_COMPRESSION_ERROR`.