unable to enter back office

[kumarana]

Hello everybody

I am trying to install ps1.7.2.4 on Lamp ( Php7.2.1, mysql 5.4 apache2)  initially i could enter back office. but after that i am getting a large number of errors. one sample is attached below. Pls some one help me configure my shop back office on localhost. i do not know anything about programming  pls give simple and single solution if possible.

Thanks in advance.

ContextErrorException in ObjectModel.php line 509:Warning: count(): Parameter must be an array or an object that implements Countable

1. in ObjectModel.php line 509
2. at ErrorHandler->handleError('2', 'count(): Parameter must be an array or an object that implements Countable', '/var/www/preston.com/public_html/prestashop_1.7.2.4/classes/ObjectModel.php', '509', array('auto_date' => true, 'null_values' => false, 'id_shop_list' => array('1'))) in ObjectModel.php line 509
3. at ObjectModelCore->add(true, false) in Product.php line 545
4. at ProductCore->add(true, false) in ObjectModel.php line 476
5. at ObjectModelCore->save() in ProductController.php line 367
6. at ProductController->newAction()
7. at call_user_func_array(array(object(ProductController), 'newAction'), array()) in bootstrap.php.cache line 3246
8. at HttpKernel->handleRaw(object(Request), '1') in bootstrap.php.cache line 3205
9. at HttpKernel->handle(object(Request), '1', false) in bootstrap.php.cache line 3359
10. at ContainerAwareHttpKernel->handle(object(Request), '1', false) in bootstrap.php.cache line 2562
11. at Kernel->handle(object(Request), '1', false) in index.php line 86

[musicmaster]

My guess would be that PHP 7.2 is a bit too optimistic. Better stick with 7.1 or 7.0.

[kris2810]

Did you ever get an solution for this?

I have the same problem.