Issue with update 1.5.10?

Just updated to 1.5.10 and received the following error message:

“The plugin generated 1300 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.”

And

Warning: include(/srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility-widget.php): failed to open stream: No such file or directory in /srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility.php on line 30 Warning: include(): Failed opening ‘/srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility-widget.php’ for inclusion (include_path=’.:/usr/share/pear:/usr/share/php’) in /srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility.php on line 30 Warning: include(/srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility-toolbar.php): failed to open stream: No such file or directory in /srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility.php on line 31 Warning: include(): Failed opening ‘/srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility-toolbar.php’ for inclusion (include_path=’.:/usr/share/pear:/usr/share/php’) in /srv/bindings/f2254070d5ea419baff9a54fb145e646/code/wp-content/plugins/wp-accessibility/wp-accessibility.php on line 31

Running Virtue Premium Theme from Kadence.