$grid->render_array() bugs when using #select_filter

There are some lines of error logs on the web server as long as #select_filter exists, although it also gives the xml output.
The connector1.5 files are just downloaded from github. I think they are latest.
The code looks like:

<?php

require_once("D:/website/data/web/kimgo_source/functions/dhtmlxConnector1.5/grid_connector.php");
$config = new GridConfiguration();
$grid = new GridConnector(null);
$grid->set_config($config);

$arrHeads = array(
    "Header" => array(),
    "ColIds" => array(),
    "ColHidden" => array(),
    "filter" => array(),
    "InitWidth" => array(),
    "ColAlign" => array(),
    "ColVAlign" => array(),
    "ColSorting" => array(),
    "ColTypes" => array()
);
$headers = array(
    array("idx", "cntr", false, "", "*", "center", "middle", "na", "cntr"),
    array("name", "title", false, "#select_filter", "100", "center", "middle", "na", "str")
);
$i = 0;
$arrHeads["Header"][$i] = $headers[$i][0];
$arrHeads["ColIds"][$i] = $headers[$i][1];
$arrHeads["ColHidden"][$i] = $headers[$i][2];
$arrHeads["filter"][$i] = $headers[$i][3];
$arrHeads["InitWidth"][$i] = $headers[$i][4];
$arrHeads["ColAlign"][$i] = $headers[$i][5];
$arrHeads["ColVAlign"][$i] = $headers[$i][6];
$arrHeads["ColSorting"][$i] = $headers[$i][7];
$arrHeads["ColTypes"][$i] = $headers[$i][8];

$i = 1;
$arrHeads["Header"][$i] = $headers[$i][0];
$arrHeads["ColIds"][$i] = $headers[$i][1];
$arrHeads["ColHidden"][$i] = $headers[$i][2];
$arrHeads["filter"][$i] = $headers[$i][3];
$arrHeads["InitWidth"][$i] = $headers[$i][4];
$arrHeads["ColAlign"][$i] = $headers[$i][5];
$arrHeads["ColVAlign"][$i] = $headers[$i][6];
$arrHeads["ColSorting"][$i] = $headers[$i][7];
$arrHeads["ColTypes"][$i] = $headers[$i][8];

$config->setHeader($arrHeads["Header"]);
$config->setColIds($arrHeads["ColIds"]);
$config->setColHidden($arrHeads["ColHidden"]);
$config->attachHeader($arrHeads["filter"]);
$config->setInitWidths($arrHeads["InitWidth"]);
$config->setColAlign($arrHeads["ColAlign"]);
$config->setColVAlign($arrHeads["ColVAlign"]);
$config->setColSorting($arrHeads["ColSorting"]);
$config->setColTypes($arrHeads["ColTypes"]);
$data = array(array(
        "cntr" => 1,
        "name" => "1ad;lakjdsf;lk adslkj aslkdjf adslkjf",
        0 => 2,
        1 => 3
        ));
$grid->render_array($data, "id", "cntr,name", "");
?>

The errors look like:

[Mon Jul 06 22:47:35 2015] [error] [client ] PHP Warning: mysql_fetch_assoc() expects parameter 1 to be resource, null given in \\functions\\dhtmlxConnector1.5\\db_common.php on line 1108 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP Stack trace: 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 1. {main}() \\pages\\test1.php:0 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 2. Connector->render_array() \\pages\\test1.php:60 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 3. Connector->render() \\functions\\dhtmlxConnector1.5\\base_connector.php:454 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 4. GridConnector->parse_request() \\functions\\dhtmlxConnector1.5\\base_connector.php:484 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 5. GridConnector->fill_collections() \\functions\\dhtmlxConnector1.5\\grid_connector.php:154 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 6. DistinctOptionsConnector->render() \\functions\\dhtmlxConnector1.5\\grid_connector.php:209 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 7. Connector->render_set() \\functions\\dhtmlxConnector1.5\\base_connector.php:944 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 8. RenderStrategy->render_set() \\functions\\dhtmlxConnector1.5\\base_connector.php:663 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 9. MySQLDBDataWrapper->get_next() \\functions\\dhtmlxConnector1.5\\strategy.php:98 
[Mon Jul 06 22:47:35 2015] [error] [client ] PHP 10. mysql_fetch_assoc() \\functions\\dhtmlxConnector1.5\\db_common.php:1108 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP Warning: mysql_query() expects parameter 2 to be resource, null given in \\functions\\dhtmlxConnector1.5\\db_common.php on line 1098 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP Stack trace: 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 1. {main}() \\pages\\test1.php:0 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 2. Connector->render_array() \\pages\\test1.php:60 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 3. Connector->render() \\functions\\dhtmlxConnector1.5\\base_connector.php:454 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 4. GridConnector->parse_request() \\functions\\dhtmlxConnector1.5\\base_connector.php:484 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 5. GridConnector->fill_collections() \\functions\\dhtmlxConnector1.5\\grid_connector.php:154 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 6. DistinctOptionsConnector->render() \\functions\\dhtmlxConnector1.5\\grid_connector.php:209 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 7. DBDataWrapper->get_variants() \\functions\\dhtmlxConnector1.5\\base_connector.php:943 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 8. DBDataWrapper->select() \\functions\\dhtmlxConnector1.5\\db_common.php:774 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 9. MySQLDBDataWrapper->query() \\functions\\dhtmlxConnector1.5\\db_common.php:744 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 10. mysql_query() \\functions\\dhtmlxConnector1.5\\db_common.php:1098 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP Warning: mysql_fetch_assoc() expects parameter 1 to be resource, null given in \\functions\\dhtmlxConnector1.5\\db_common.php on line 1108 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP Stack trace: 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 1. {main}() \\pages\\test1.php:0 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 2. Connector->render_array() \\pages\\test1.php:60 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 3. Connector->render() \\functions\\dhtmlxConnector1.5\\base_connector.php:454 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 4. GridConnector->parse_request() \\functions\\dhtmlxConnector1.5\\base_connector.php:484 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 5. GridConnector->fill_collections() \\functions\\dhtmlxConnector1.5\\grid_connector.php:154 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 6. DistinctOptionsConnector->render() \\functions\\dhtmlxConnector1.5\\grid_connector.php:209 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 7. Connector->render_set() \\functions\\dhtmlxConnector1.5\\base_connector.php:944 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 8. RenderStrategy->render_set() \\functions\\dhtmlxConnector1.5\\base_connector.php:663 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 9. MySQLDBDataWrapper->get_next() \\functions\\dhtmlxConnector1.5\\strategy.php:98 
[Mon Jul 06 22:53:11 2015] [error] [client ] PHP 10. mysql_fetch_assoc() \\functions\\dhtmlxConnector1.5\\db_common.php:1108 

If you are using render_array, you need to provide a list of options for select filters, by using set_options API

docs.dhtmlx.com/connector__php__ … nswithdata

docs.dhtmlx.com/connector__php__ … setoptions