Error Fatal

help can someone tell me how to fix this

linha 110 do arquivo /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/addon-theme-installer.php. Mensagem de erro: Uncaught TypeError: fwrite(): Argument #2 ($data) must be of type string, array given in /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/addon-theme-installer.php:110
Stack trace:
#0 /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/addon-theme-installer.php(110): fwrite(Resource id #688, Array)
#1 /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/addon-theme-installer.php(185): WPtouchAddonThemeInstaller->download_file(‘https://s3.amazo…’, ‘/home/rnkb2mql/…’)
#2 /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/class-wptouch-pro.php(2483): WPtouchAddonThemeInstaller->install_anywhere(‘wptouch-pro-pt….’, ‘[https://s3.amazo…]https://s3.amazo…’, ‘/home/rnkb2mql/…’)
#3 /home/rnkb2mql/public_html/wp-content/plugins/wptouch/core/class-wptouch-pro.php(848): WPtouchProFour->setup_languages()
#4 /home/rnkb2mql/public_html/wp-includes/class-wp-hook.php(308): WPtouchProFour->finish_initialization(”)
#5 /home/rnkb2mql/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#6 /home/rnkb2mql/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /home/rnkb2mql/public_html/wp-settings.php(623): do_action(‘init’)
#8 /home/rnkb2mql/public_html/wp-config.php(103): require_once(‘/home/rnkb2mql/…’)
#9 /home/rnkb2mql/public_html/wp-load.php(50): require_once(‘/home/rnkb2mql/…’)
#10 /home/rnkb2mql/public_html/wp-admin/admin.php(34): require_once(‘/home/rnkb2mql/…’)
#11 /home/rnkb2mql/public_html/wp-admin/plugins.php(10): require_once(‘/home/rnkb2mql/…’)
#12 {main}
? thrown