Uncaught TypeError: PhpMyAdmin\DatabaseInterface::getColumns(): Argument #2 ($table) must be of type string, null given

[williamdes]

Describe the bug

Fatal error: Uncaught TypeError: PhpMyAdmin\DatabaseInterface::getColumns(): Argument #2 ($table) must be of type string, null given, called in 
libraries/classes/Sql.php on line 187 and defined in 
libraries/classes/DatabaseInterface.php:893 Stack trace: #0 
libraries/classes/Sql.php(187): PhpMyAdmin\DatabaseInterface->getColumns('public', NULL) #1 
libraries/classes/Sql.php(1540): PhpMyAdmin\Sql->resultSetContainsUniqueKey('public', NULL, Array) #2 
libraries/classes/Sql.php(1860): PhpMyAdmin\Sql->getQueryResponseForResultsReturned(Object(mysqli_result), Array, 'public', NULL, NULL, Object(PhpMyAdmin\Display\Results), './themes/pmahom...', 1, 1, NULL, NULL, NULL, 'SELECT 1;', NULL) #3 
libraries/classes/Sql.php(1707): PhpMyAdmin\Sql->executeQueryAndGetQueryResponse(Array, false, 'public', NULL, false, NULL, NULL, NULL, NULL, 'index.php?route...', './themes/pmahom...', NULL, NULL, 'SELECT 1;', NULL) #4 
libraries/classes/Controllers/Database/QueryByExampleController.php(133): PhpMyAdmin\Sql->executeQueryAndSendQueryResponse(Array, false, 'public', NULL, false, NULL, NULL, NULL, NULL, 'index.php?route...', './themes/pmahom...', NULL, NULL, 'SELECT 1;', NULL) #5 
libraries/classes/Routing.php(187): PhpMyAdmin\Controllers\Database\QueryByExampleController->index(Array) #6 
index.php(18): PhpMyAdmin\Routing::callControllerForRoute('/database/qbe', Object(FastRoute\Dispatcher\GroupCountBased), Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #7 {main} thrown in 
libraries/classes/DatabaseInterface.php on line 893

To Reproduce

Steps to reproduce the behavior:

1. Go to multi table query
2. Use second tab to avoid Multi table query shows results only 1 second #16999
3. Enter SELECT 1; in query box
4. Submit

Server configuration

• phpMyAdmin version: 5.1