// line 7 needs a conditions to check if $anchor['id'] exists. if this isn't in place, requesting confirmations asynchronously that completely replace the form bork. Then loading subsequent asyn forms do not work because there is a script error on the page.

form_display.php

			if ( $ajax && ! $is_postback ) {
				$spinner_url     = gf_apply_filters( array( 'gform_ajax_spinner_url', $form_id ), GFCommon::get_base_url() . '/images/spinner.gif', $form );
				$scroll_position = array( 'default' => '', 'confirmation' => '' );

				if ( $anchor['scroll'] !== false ) {
					$scroll_position['default']      = is_numeric( $anchor['scroll'] ) ? 'jQuery(document).scrollTop(' . intval( $anchor['scroll'] ) . ');' : "jQuery(document).scrollTop(jQuery('#gform_wrapper_{$form_id}').offset().top);";
					$scroll_position['confirmation'] = is_numeric( $anchor['scroll'] ) ? 'jQuery(document).scrollTop(' . intval( $anchor['scroll'] ) . ');' : "if(jQuery('{$anchor['id']}').length) { jQuery(document).scrollTop(jQuery('{$anchor['id']}').offset().top); }";
				}