An exception occurred: Cannot use objec

Hi,
Getting this error sometimes:

An exception occurred: Cannot use object of type WP_Error as array in /home/gamixcoi/public_html/portal/wp-content/plugins/woocommerce/includes/class-wc-install.php on line 480

WC_Install::create_terms() in /home/gamixcoi/public_html/portal/wp-content/plugins/woocommerce/includes/class-wc-install.php at line 189
WC_Install::install() in /home/gamixcoi/public_html/portal/wp-content/plugins/woocommerce/includes/class-wc-install.php at line 145
WC_Install::check_version() in /home/gamixcoi/public_html/portal/wp-includes/class-wp-hook.php at line 286
WP_Hook->apply_filters() in /home/gamixcoi/public_html/portal/wp-includes/class-wp-hook.php at line 310
WP_Hook->do_action() in /home/gamixcoi/public_html/portal/wp-includes/plugin.php at line 453
do_action() in /home/gamixcoi/public_html/portal/wp-settings.php at line 450
require_once() in /home/gamixcoi/public_html/portal/wp-config.php at line 94
require_once() in /home/gamixcoi/public_html/portal/wp-load.php at line 37
require_once() in /home/gamixcoi/public_html/portal/wp-blog-header.php at line 13
require() in /home/gamixcoi/public_html/portal/index.php at line 17

any suggestions to fix?