A7C (ILCE-7C) is not A7C (ILCE-7C) is not officially supported by 0.20.2, consider upgrade to current 'public snapshot' from github: https://github.com/LibRaw/LibRaw -- Alex Tutubalin @LibRaw LLC reply
A7C (ILCE-7C) is not officially supported by 0.20.2, consider upgrade to current 'public snapshot' from github: https://github.com/LibRaw/LibRaw