error

( ! ) Warning: in_array() expects parameter 2 to be array, string given in C:\wamp\www\wp-content\plugins\realteo\includes\class-realteo-widgets.php on line 403 Call Stack #TimeMemoryFunctionLocation 10.0010134096{main}( )...\index.php:0 20.0017135976require( 'C:\wamp\www\wp-blog-header.php' )...\index.php:17 32.682352806016require_once( 'C:\wamp\www\wp-includes\template-loader.php' )...\wp-blog-header.php:19 42.745652945224include( 'C:\wamp\www\wp-content\plugins\realteo\templates\single-property.php' )...\template-loader.php:74 53.391753599952get_sidebar( )...\single-property.php:108 63.391853600464locate_template( )...\general-template.php:110 73.392453600600load_template( )...\template.php:647 83.393453610592require_once( 'C:\wamp\www\wp-content\themes\findeo\sidebar-property.php' )...\template.php:688 93.394553610832dynamic_sidebar( )...\sidebar-property.php:21 103.400753613584call_user_func_array:{C:\wamp\www\wp-includes\widgets.php:742} ( )...\widgets.php:742 113.400753613912WP_Widget->display_callback( )...\widgets.php:742 123.401153615192Realteo_Save_Print_Widget->widget( )...\class-wp-widget.php:372 133.402953637840in_array ( )...\class-realteo-widgets.php:403 " data-post_id="222" data-nonce="edf4d71bef" data-tip-content="Add To Compare" data-tip-adding-content="Adding To Compare <i class="fa fa-circle-o-notch fa-spin fa-fw"></i>" data-tip-added-content="Added To Compare!">