error 500 when activate plugin

Replies: 0

first of all thankyou for usefull dan well design login plugin

i already test in localhost and it worked

but when i test it on my site, it give me error 500

i already debug it and found

Cannot redeclare tgmpa() (previously declared in class-tgm-plugin.php:1927)

for info, i have theme with class-tgm-plugin-activation.php

and i’m not using / activate all of plugin that required by my theme

can you help me please

thankyou