If you are identifying this error when opening the phpMyAdmin screen, just when you display the screen of any of the tables, as below, the solution follows:

Warning in ./libraries/sql.lib.php#601
count(): Parameter must be an array or an object that implements

Backtrace

./libraries/sql.lib.php#2038: PMA_isRememberSortingOrder(array)
./libraries/sql.lib.php#1984: PMA_executeQueryAndGetQueryResponse(...

Above part of the error and below the solution:
Edit the file:
'/usr/share/phpmyadmin/libraries/sql.lib.php'
Replacing as below:
(count($analyzed_sql_result['select_expr']s == 1)
by:
(count($analyzed_sql_results['select_expr']) == 1