[PrestaShopException]

Validation function not found. isUrl4Smpl
at line 1054 in file classes/ObjectModel.php

1049.         }
1050. 
1051.         // Check field validator
1052.         if (!in_array('validate', $skip) && !empty($data['validate'])) {
1053.             if (!method_exists('Validate', $data['validate'])) {
1054.                 throw new PrestaShopException('Validation function not found. '.$data['validate']);
1055.             }
1056. 
1057.             if (!empty($value)) {
1058.                 $res = true;
1059.                 if (Tools::strtolower($data['validate']) == 'iscleanhtml') {