UPDATE PROFIL ERROR

Hey..
I have error :
Fatal error: Uncaught Error: [] operator not supported for strings in /htdocs/squad-gaming.xyz/wp-content/themes/blackfyre/buddypress/members/single/member-header.php:259 Stack trace: #0 /htdocs/squad-gaming.xyz/wp-includes/template.php(724): require() #1 /htdocs/squad-gaming.xyz/wp-content/plugins/buddypress/bp-core/bp-core-template-loader.php(155): load_template(‘/htdocs/squad-g…’, false) #2 /htdocs/squad-gaming.xyz/wp-content/plugins/buddypress/bp-core/bp-core-template-loader.php(61): bp_locate_template(Array, true, false) #3 /htdocs/squad-gaming.xyz/wp-content/themes/blackfyre/buddypress/members/single/home.php(7): bp_get_template_part(‘members/single/…’) #4 /htdocs/squad-gaming.xyz/wp-includes/template.php(724): require(‘/htdocs/squad-g…’) #5 /htdocs/squad-gaming.xyz/wp-content/plugins/buddypress/bp-core/bp-core-template-loader.php(155): load_template(‘/htdocs/squad-g…’, false) #6 /htdocs/squad-gaming.xyz/wp-content/plugins/buddypress/bp-core/bp-core-template-loader.php(61): bp_locate_template(Array, true, fa in /htdocs/squad-gaming.xyz/wp-content/themes/blackfyre/buddypress/members/single/member-header.php on line 259
Une erreur critique est survenue sur votre site.

En apprendre plus sur le débogage de WordPress.

On my Website, on i go to my “Profile” > Update my Profil >> and have that error.. and screen reducing.. wtf?!