INFO: krpano 1.20.6 (build 2020-04-15)
INFO: HTML5/Desktop - WebGL
INFO: Registered to: Jan Zięba (old license)
ERROR: plugin[out] - loading of './skin/buttons.png' failed! 
ERROR: plugin[down] - loading of './skin/buttons.png' failed! 
ERROR: plugin[quality] - loading of './skin/buttons.png' failed! 
ERROR: plugin[closefs] - loading of './skin/buttons.png' failed! 
ERROR: plugin[up] - loading of './skin/buttons.png' failed! 
ERROR: plugin[openfs] - loading of './skin/buttons.png' failed! 
ERROR: plugin[dragmode] - loading of './skin/buttons.png' failed! 
ERROR: plugin[movemode] - loading of './skin/buttons.png' failed! 
ERROR: plugin[left] - loading of './skin/buttons.png' failed! 
ERROR: plugin[in] - loading of './skin/buttons.png' failed! 
ERROR: plugin[right] - loading of './skin/buttons.png' failed! 
ERROR: loading of 'sk.tiles/preview.jpg' failed! 
ERROR: loading of 'sk.tiles/l3_b_01_05.jpg' failed!