weird plugins error please help

what plugins exactly?
please post the download links.

what are the exact error messages?

this is my theme:
Evolution Fitness – Responsive WordPress Theme : https://themeforest.net/item/evolution-fitness-responsive-wordpress-theme/5507895

those are the plugins:

1) WPBakery Visual Composer : I had it for a while now, dont know from which site.

2) Justified Image Grid : https://codecanyon.net/item/justified-image-grid-premium-wordpress-gallery/2594251

3) Ninja popups : https://codecanyon.net/item/ninja-popups-for-wordpress/3476479?WT.ac=solid_search_item&WT.seg_1=solid_search_item&WT.z_author=arscode

4) OptinMonster : https://getnulledscripts.com/optinmonster-v1-0-8-best-wordpress-popup-lead-generation-plugin/

this is the error: Plugin could not be activated because it triggered a fatal error.

thank you

as those are all commercial products (or at least not downloaded from https://www.ads-software.com/) they are not supported by this forum.
you will need to contact the individual developers directly for support.

https://codex.www.ads-software.com/Forum_Welcome#Commercial_Products

ok thank you.
since each plugin is working individually i though that it was a wordpress problem

since each plugin is working individually i though that it was a wordpress problem

without knowing the exact error message, nobody will be able to comment.

this is the exact error message : Plugin could not be activated because it triggered a fatal error