PLS HELP I CANT ADD A WORLD IT SAYS ERROR 103,and ERROR 105

HI THERE! PLS HELP MY PROBLEM I cant upload a WORLD it allways say ERROR 105 or ERROR 103 Im uploading a Map on a MultiVerse world I have tried all of the solution In the forums I changed The file name to just world PLS HELP ME PLS HELPP!!!!!!!!!!!!!!!!!

THX VERY MUCH you helped me alot as in alot alot THX SO MUCH BLUEWY#aterbosforever