@Iffo Hi and welcome are you trying to upload a screenshot ? The easiest way is using the picture board in bottom left corner of comment box (2nd from left ) or the paperclip (last one and you should easily be able upload your picture
Sometimes this problem occurs but dont worry try logging out and login again i hope it will be fine. Please also clear cache time to time from your device.
Ok dear when this error occurs when you try to load a file or photo. This error is basically due to: Incorrect file or folder permissions.ย Try to load another photo or anything and see if same error occurs.