You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND field_keyword = 'page_theme'' at line 5
SELECT val_value FROM cms_page_fields, cms_page_field_values WHERE val_fieldID = field_id AND val_pageID = AND field_keyword = 'page_theme'
array(5) {
  [0]=>
  array(4) {
    ["file"]=>
    string(70) "/data/vhosts/resilientbeings.co.uk/httpdocs/admin/pages/class.page.php"
    ["line"]=>
    int(309)
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    ["args"]=>
    array(1) {
      [0]=>
      string(165) "SELECT val_value
				  FROM cms_page_fields, cms_page_field_values
				  	WHERE val_fieldID = field_id
				  AND val_pageID = 
				  AND field_keyword = 'page_theme'"
    }
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    string(74) "/data/vhosts/resilientbeings.co.uk/httpdocs/site/includes/page_default.php"
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    ["function"]=>
    string(20) "get_custom_field_val"
    ["class"]=>
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      string(0) ""
      ["parent"]=>
      string(1) "0"
      ["menu"]=>
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      ["dateModified"]=>
      string(10) "2023-10-12"
      ["title"]=>
      string(10) "What next?"
      ["menuTitle"]=>
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      ["status"]=>
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      ["type_val"]=>
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      ["menuimg"]=>
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      ["path"]=>
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      ["text"]=>
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      ["fields"]=>
      array(6) {
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        array(12) {
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Mind,mind|
Movement,movement|
Mountain,mountain"
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          ["val_fieldID"]=>
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          ["val_value"]=>
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        }
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          ["field_pos"]=>
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          ["val_pageID"]=>
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          ["val_fieldID"]=>
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          ["val_value"]=>
          NULL
        }
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        array(12) {
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          ["field_type"]=>
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          ["field_label"]=>
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          ["field_tips"]=>
          NULL
          ["field_pos"]=>
          string(1) "2"
          ["val_id"]=>
          NULL
          ["val_pageID"]=>
          NULL
          ["val_fieldID"]=>
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          ["val_value"]=>
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        }
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          ["field_id"]=>
          string(1) "5"
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          ["field_keyword"]=>
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          ["field_type"]=>
          string(9) "TEXTBLOCK"
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          ["field_tips"]=>
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          ["field_pos"]=>
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          ["val_id"]=>
          NULL
          ["val_pageID"]=>
          NULL
          ["val_fieldID"]=>
          NULL
          ["val_value"]=>
          NULL
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          string(1) "3"
          ["field_pageID"]=>
          string(1) "0"
          ["field_keyword"]=>
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          string(9) "TEXTBLOCK"
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          ["field_pos"]=>
          string(1) "3"
          ["val_id"]=>
          NULL
          ["val_pageID"]=>
          NULL
          ["val_fieldID"]=>
          NULL
          ["val_value"]=>
          NULL
        }
      }
      ["links"]=>
      array(0) {
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      ["images"]=>
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      }
      ["leaf"]=>
      bool(true)
      ["trans_id"]=>
      NULL
      ["lang"]=>
      string(2) "en"
    }
    ["type"]=>
    string(2) "->"
    ["args"]=>
    array(1) {
      [0]=>
      string(10) "page_theme"
    }
  }
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    string(74) "/data/vhosts/resilientbeings.co.uk/httpdocs/site/includes/content-page.php"
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      [0]=>
      string(74) "/data/vhosts/resilientbeings.co.uk/httpdocs/site/includes/page_default.php"
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