Hi, i'm trying to install a theme in wordpress that i exported from themler on my mac as a wordpress theme. When i install i get the following error.... The package could not be installed....

hi, i have make a theme with Themes for Joomla when i export in zip and i try to install in Joomla 3.5.1 bekome the Error 500 and in Extention is "Unable to open archive" what can i too? thx