prestashop 1.6.1.8 Table 'prestashop.ps_cms_block' doesn't exist
<p>please help , the accueil work fine but whene i click on categorie or product , this error show on, </p>

<p>[PrestaShopDatabaseException]</p>

<pre><code>Table '........_prestashop.ps_cms_block' doesn't exist

SELECT bc.`id_cms_block`, bc.`id_cms_category`, bc.`display_store`, ccl.`link_rewrite`, ccl.`name` category_name, bcl.`name` block_name
            FROM `ps_cms_block` bc
            LEFT JOIN `ps_cms_block_shop` bcs
            ON (bcs.id_cms_block = bc.id_cms_block)
            INNER JOIN `ps_cms_category_lang` ccl
            ON (bc.`id_cms_category` = ccl.`id_cms_category`)
            INNER JOIN `ps_cms_block_lang` bcl
            ON (bc.`id_cms_block` = bcl.`id_cms_block`)
            WHERE bc.`location` = 0
            AND ccl.`id_lang` = 1
            AND bcl.`id_lang` = 1
            AND bcs.id_shop = 1 AND ccl.`id_shop` = 1
            ORDER BY `position`

at line 791 in file classes/db/Db.php

  if ($sql) {
791.                 throw new     PrestaShopDatabaseException($this-&gt;getMsgError().'&lt;br /&gt;&lt;br /&gt;&lt;pre&gt;'.$sql.'&lt;/pre&gt;');
792.             }


DbCore-&gt;displayError - [line 425 - classes/db/Db.php] - [1 Arguments]
DbCore-&gt;query - [line 643 - classes/db/Db.php] - [1 Arguments]
DbCore-&gt;executeS - [line 360 - modules/blockcms/BlockCMSModel.php] - [1 Arguments]
BlockCMSModel::getCMSCategoriesByLocation - [line 581 - modules/blockcms/BlockCMSModel.php] - [2 Arguments]
BlockCMSModel::getCMSTitles - [line 802 - modules/blockcms/blockcms.php] - [1 Arguments]
BlockCms-&gt;displayBlockCMS - [line 841 - modules/blockcms/blockcms.php] - [1 Arguments]
BlockCms-&gt;hookLeftColumn - [line 587 - classes/Hook.php] - [1 Arguments]
HookCore::coreCallHook - [line 544 - classes/Hook.php] - [3 Arguments]
HookCore::exec - [line 581 - classes/controller/FrontController.php] - [1 Arguments]
FrontControllerCore-&gt;initContent - [line 129 - controllers/front/CategoryController.php]
CategoryControllerCore-&gt;initContent - [line 189 - classes/controller/Controller.php]
ControllerCore-&gt;run - [line 367 - classes/Dispatcher.php]
DispatcherCore-&gt;dispatch - [line 28 - index.php]
</code></pre>

<p>thank you so much for help</p>