RouteNotFoundException Unable to generate a URL for the named route "admin_link_block_list" as such route does not exist. Prestashop

Error Description: RouteNotFoundException Unable to generate a URL for the named route "admin_link_block_list" as such route does not exist. Prestashop

Prestashop Version: 1.7.7.0 +

Defect Description:

Back Office not working. Unable to open any of the Back Office pages

Front Office still works

Defect Root Cause:

module ps_linklist conflicts with Prestashop patch upgrade

Defect Fix:

1. Open Shop's MySQL Database Editor. (or) Open PHPMyAdmin through CPANEL or WHM or Plesk panels.

2. Look for the 'ps_tab' table

3. Search for the record related to 'ps_linklist' module in 'ps_tab' table (or) Simply execute the below query in SQL Editor

SELECT * FROM `ps_tab` where module = 'ps_linklist'

4. Update the 'enabled' column value to 0. (or) Simply execute the below query in SQL Editor

UPDATE `ps_tab` SET `enabled`=0 WHERE `module`='ps_linklist'

5. Now, Back Office will start working. Login to Back Office

6. Navigate to Modules menu in Back Office

7. Search for 'link list' module and Reset the module and Enable the module

The Defect is fixed.