error with aqualine theme in the demo content install

[dre132]

error with aqualine theme in the demo content install

Uncaught ValueError: ZipArchive::setCompressionName(): Argument #1 ($name) cannot be empty in /code/wp-content/plugins/unyson/framework/extensions/backups/includes/module/tasks/type/class-fw-ext-backups-task-type-zip.php:123 Stack trace: #0 /code/wp-content/plugins/unyson/framework/extensions/backups/includes/module/tasks/type/class-fw-ext-backups-task-type-zip.php(123): ZipArchive->setCompressionName('', -1) #1 /code/wp-content/plugins/unyson/framework/extensions/backups/includes/module/tasks/class--fw-ext-backups-module-tasks.php(579): FW_Ext_Backups_Task_Type_Zip->execute(Array, Array) #2 /code/wp-content/plugins/unyson/framework/extensions/backups/includes/module/tasks/class--fw-ext-backups-module-tasks.php(743): _FW_Ext_Backups_Module_Tasks->execute_pending_task() #3 /code/wp-includes/class-wp-hook.php(324): _FW_Ext_Backups_Module_Tasks->_action_ajax_continue_pending_task('') #4 /code/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #5 /code/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /code/wp-admin/admin-ajax.php(207): do_action('wp_ajax_nopriv_...') #7 {main} thrown in /code/wp-content/plugins/unyson/framework/extensions/backups/includes/module/tasks/type/class-fw-ext-backups-task-type-zip.php on line 123 --