Critical Error – Accordion Slider

I am receiving a critical error on a single page of my site but only when I try to edit it. Any ideas?

Here is the error:

Error Details
=============
An error of type E_ERROR was caused in line 3751 of the file /www/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-element-templates.php. Error message: Uncaught TypeError: Argument 1 passed to aviaElementTemplates::set_locked_attributes() must be of the type array, string given, called in /www/wp-content/themes/enfold/config-templatebuilder/avia-shortcodes/slideshow_accordion/slideshow_accordion.php on line 868 and defined in /www/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-element-templates.php:3751
Stack trace:
#0 /www/wp-content/themes/enfold/config-templatebuilder/avia-shortcodes/slideshow_accordion/slideshow_accordion.php(868): aviaElementTemplates->set_locked_attributes(”, Object(avia_sc_slider_accordion), ‘av_slide_accord…’, Array, Array, ”)
#1 /www/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-shortcode-template.php(1107): avia_sc_slider_accordion->shortcode_handler(Array, ‘\n[av_slid…’, ‘av_slideshow_ac…’, Array)
#2 /wordpress/wp-includes/shortcodes.php(356): aviaShortcodeTemplate->shortcode_handler_prepare(Array, ‘\n[av_slid…’, ‘av_slideshow_ac…’)
#3 [inte