problem when i'm entering blocklayered module

[dvir]

hi,

 

i have a question , that i cant find the answer for it in the forum..

 

i'm working with blocklaered.

 

1. first, when i'm try to enter the module, i'm getting this error : 

[PrestaShopException]

Root category must be an integer value
at line 125 in file classes/helper/HelperTreeCategories.php

120.     }
121.
122.     public function setRootCategory($value)
123.     {
124.         if (!Validate::isInt($value))
125.             throw new PrestaShopException('Root category must be an integer value');
126.
127.         $this->_root_category = $value;
128.         return $this;
129.     }
130.

• HelperTreeCategoriesCore->setRootCategory - [line 1536 - modules/blocklayered/blocklayered.php] - [1 Arguments]
• BlockLayered->getContent - [line 846 - controllers/admin/AdminModulesController.php]
• AdminModulesControllerCore->postProcessCallback - [line 1094 - controllers/admin/AdminModulesController.php]
• AdminModulesControllerCore->postProcess - [line 171 - classes/controller/Controller.php]
• ControllerCore->run - [line 373 - classes/Dispatcher.php]
• DispatcherCore->dispatch - [line 54 - admin/index.php]

what to do ?