Improve error messages
Improve error messages

OpenBoxProject/obsi,pavel-lazar/obsi,DeepnessLab/obsi,DeepnessLab/obsi,DeepnessLab/obsi,OpenBoxProject/obsi,pavel-lazar/obsi,OpenBoxProject/obsi,OpenBoxProject/obsi,pavel-lazar/obsi,pavel-lazar/obsi,DeepnessLab/obsi