MODx Parse Error - Invalid argument supplied for foreach()

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MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: 	Invalid argument supplied for foreach()	 
  Error type/ Nr.: 	Warning - 2	 
  File: 	/home/herimaine/public_html/manager/includes/document.parser.class.inc.php	 
  Line: 	1210	 
  Line 1210 source: 	foreach ($this->documentMap as $mapEntry) { 	 
 
Parser timing
  MySQL: 	0.0052 s	(4 Requests)
  PHP: 	0.0354 s	 
  Total: 	0.0406 s	 

print_r($this->documentMap);

    function getParentIds($id, $height = 10, $parents = array ())
    {
        $parentId = 0;
        if (is_array($this->documentMap) && count($this->documentMap) > 0)
        {
            foreach ($this->documentMap as $mapEntry)
            {
                $parentId = array_search($id, $mapEntry);
                if ($parentId)
                {
                    $parentKey = array_search($parentId, $this->documentListing);
                    if (!$parentKey)
                    {
                        $parentKey = "$parentId";
                    }
                    $parents[$parentKey] = $parentId;
                    break;
                }
            }
        }
    
        $height--;
        if ($parentId && $height)
        {
            $parents = $parents+$this->getParentIds($parentId, $height, $parents);
        }
        return $parents;
    }
    

if (is_array($this->documentMap) && count($this->documentMap) > 0)
        {

[10-Aug-2009 22:40:29] PHP Parse error:  syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 95
[10-Aug-2009 22:41:24] PHP Parse error:  syntax error, unexpected T_STRING, expecting ']' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 98
[10-Aug-2009 22:43:08] PHP Parse error:  syntax error, unexpected T_STRING, expecting ']' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 97
[10-Aug-2009 22:56:26] PHP Parse error:  syntax error, unexpected '[', expecting '(' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 21
[10-Aug-2009 22:57:00] PHP Parse error:  syntax error, unexpected '[', expecting '(' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 21
[10-Aug-2009 22:58:03] PHP Parse error:  syntax error, unexpected '[', expecting '(' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 21
[10-Aug-2009 22:58:39] PHP Parse error:  syntax error, unexpected '{' in /home/herimaine/public_html/manager/includes/document.parser.class.inc.php(769) : eval()'d code on line 21

[11-Nov-2009 05:23:45] PHP Warning:  include_once(/home/herimaine/public_html/manager//includes/document.parser.class.inc.php) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /home/herimaine/public_html/index.php on line 112
[11-Nov-2009 05:23:45] PHP Warning:  include_once() [<a href='function.include'>function.include</a>]: Failed opening '/home/herimaine/public_html/manager//includes/document.parser.class.inc.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/herimaine/public_html/index.php on line 112
[11-Nov-2009 05:23:45] PHP Fatal error:  Class 'DocumentParser' not found in /home/herimaine/public_html/index.php on line 113