Unitypackage can't import in unity mac,every package show all files imported

[c2game]

when I package a unitypackage with unitypacker,the final unitypackage file can be import in unity win.
when i import the unitypackage file in unity mac,it show all files already import.but nothing imported.
every package packed with unitypacker use in mac,all show that error.

[c2game]

can u help check and fix the error,add support to mac.thanks.

[c2game]

in mac,I have try unity 5.x-unity 2017, all show the same error.