Warning (512): SQL Error: 1054: Unknown column 'piwik.js' in 'WHERE' [CORE/cake/libs/model/datasources/dbo_source.php, line 684]
Code

        if ($this->error) {
            $this->showQuery($sql);
DboSource::showQuery() - CORE/cake/libs/model/datasources/dbo_source.php, line 684
DboSource::execute() - CORE/cake/libs/model/datasources/dbo_source.php, line 266
DboSource::fetchAll() - CORE/cake/libs/model/datasources/dbo_source.php, line 410
DboSource::read() - CORE/cake/libs/model/datasources/dbo_source.php, line 821
Model::find() - CORE/cake/libs/model/model.php, line 2153
FeController::showclass() - APP/controllers/fe_controller.php, line 157
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 204
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 83

Query: SELECT `MoleculeClass`.`id`, `MoleculeClass`.`name`, `MoleculeClass`.`parent_id`, `MoleculeClass`.`lft`, `MoleculeClass`.`rght`, `MoleculeClass`.`type` FROM `molecule_classes` AS `MoleculeClass`   WHERE id = `piwik`.`js`    LIMIT 1 

Warning (2): Trying to access array offset on false [APP/controllers/fe_controller.php, line 162]
Code
            )));
        }
        $output = call_user_func_array(array(&$controller, $params['action']), $params['pass']);
FeController::showclass() - APP/controllers/fe_controller.php, line 162
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 204
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 83

Warning (2): Trying to access array offset on null [APP/controllers/fe_controller.php, line 162]
Code
            )));
        }
        $output = call_user_func_array(array(&$controller, $params['action']), $params['pass']);
FeController::showclass() - APP/controllers/fe_controller.php, line 162
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 204
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 83

Query: SELECT COUNT(*) AS `count` FROM `molecules` AS `Molecule` LEFT JOIN `molecule_classes` AS `MoleculeClass` ON (`Molecule`.`molecule_class_id` = `MoleculeClass`.`id`) LEFT JOIN `articles` AS `Article` ON (`Molecule`.`article_id` = `Article`.`id`)  WHERE molecule_class_id in (`piwik`.`js`)    

Query: SELECT `Molecule`.`id`, `Molecule`.`name`, `Molecule`.`molecule_class_id`, `Molecule`.`quality`, `Molecule`.`n_param`, `Molecule`.`n_devi`, `Molecule`.`e_param`, `Molecule`.`e_devi`, `Molecule`.`s_param`, `Molecule`.`s_devi`, `Molecule`.`article_id`, `Molecule`.`comment`, `Molecule`.`sum_formula`, `Molecule`.`img_file`, `Molecule`.`cas`, `Molecule`.`inchi`, `Molecule`.`smiles`, `Molecule`.`mol`, `Molecule`.`iupac`, `Molecule`.`editor`, `Molecule`.`created`, `Molecule`.`last_changed`, `Molecule`.`solvent`, `Molecule`.`request_num`, `MoleculeClass`.`id`, `MoleculeClass`.`name`, `MoleculeClass`.`parent_id`, `MoleculeClass`.`lft`, `MoleculeClass`.`rght`, `MoleculeClass`.`type`, `Article`.`id`, `Article`.`journal`, `Article`.`authors`, `Article`.`year`, `Article`.`volume`, `Article`.`page`, `Article`.`doi`, (CONCAT("[", `Article`.`id`, "] ", `Article`.`journal`,", ",`Article`.`year`,", ",`Article`.`volume`,", ",`Article`.`page`)) AS  `Article__reference` FROM `molecules` AS `Molecule` LEFT JOIN `molecule_classes` AS `MoleculeClass` ON (`Molecule`.`molecule_class_id` = `MoleculeClass`.`id`) LEFT JOIN `articles` AS `Article` ON (`Molecule`.`article_id` = `Article`.`id`)  WHERE molecule_class_id in (`piwik`.`js`)   ORDER BY `Molecule`.`e_param` asc  LIMIT 10000