[SIGPLUS_EXCEPTION_SOURCE] Image source is expected to be a full URL or a path relative to the image base folder specified in the back-end but GR_II_2022/czytanie is neither a URL nor a relative path to an existing file or folder.
[SIGPLUS_EXCEPTION_SOURCE] Image source is expected to be a full URL or a path relative to the image base folder specified in the back-end but GR_II_2022/czytaniepolak is neither a URL nor a relative path to an existing file or folder.
[SIGPLUS_EXCEPTION_SOURCE] Image source is expected to be a full URL or a path relative to the image base folder specified in the back-end but GR_II_2022/Rodzice_czyt is neither a URL nor a relative path to an existing file or folder.