We got below error:

This fatal error happened on 4.15.2-b1

Error: {"message":"Call to a member function getColumn() on null","file":"/plugins/CoreHome/DataTableRowAction/RowEvolution.php","line":416,"request_id":"ff53c","backtrace":" on /plugins/CoreHome/DataTableRowAction/RowEvolution.php(416)\n#0 /plugins/CoreHome/DataTableRowAction/RowEvolution.php(237): Piwik\Plugins\CoreHome\DataTableRowAction\RowEvolution->extractPrettyLabel(Array)\n#1 /plugins/CoreHome/DataTableRowAction/RowEvolution.php(231): Piwik\Plugins\CoreHome\DataTableRowAction\RowEvolution->extractEvolutionReport(Array)\n#2 /plugins/CoreHome/DataTableRowAction/RowEvolution.php(124): Piwik\Plugins\CoreHome\DataTableRowAction\RowEvolution->loadEvolutionReport()\n#3 /plugins/CoreHome/Controller.php(260): Piwik\Plugins\CoreHome\DataTableRowAction\RowEvolution->__construct(6, Object(Piwik\Date), 'graphEvolution')\n#4 /plugins/CoreHome/Controller.php(246): Piwik\Plugins\CoreHome\Controller->makeRowEvolution(false, 'graphEvolution')\n#5 [internal function]: Piwik\Plugins\CoreHome\Controller->getRowEvolutionGraph()\n#6 /core/FrontController.php(637): call_user_func_array(Array, Array)\n#7 /core/FrontController.php(169): Piwik\FrontController->doDispatch('CoreHome', 'getRowEvolution...', Array)\n#8 /core/dispatch.php(32): Piwik\FrontController->dispatch()\n#9 /index.php(25): require_once('/c...')\n#10 {main}","safemode_backtrace":"#0 [internal function]: Piwik\Plugins\Cloud\Controller->safemode(Array)\n#1 /core/FrontController.php(637): call_user_func_array(Array, Array)\n#2 /core/FrontController.php(169): Piwik\FrontController->doDispatch('Cloud', 'safemode', Array)\n#3 /core/FrontController.php(100): Piwik\FrontController->dispatch('CorePluginsAdmi...', 'safemode', Array)\n#4 /core/FrontController.php(140): Piwik\FrontController::(Array)\n#5 /core/FrontController.php(196): Piwik\FrontController::(Object(Error))\n#6 /core/dispatch.php(32): Piwik\FrontController->dispatch()\n#7 /index.php(25): require_once('/c...')\n#8 {main}"}

URL: /index.php?date=2023-09-30&evolution_day_last_n=8&evolution_month_last_n=3&evolution_week_last_n=4&viewDataTable=graphEvolution&dateUsedInGraph=2023-07-01%2C2023-09-30&columns=nb_clicks%2Cnb_impressions%2Cctr%2Cposition&apiMethod=SearchEngineKeywordsPerformance.getKeywordsBing&label=%40test%2520%25C3%25B8st&disableLink=1&module=CoreHome&action=getRowEvolutionGraph&colors=%7B%26quot%3BbackgroundColor%26quot%3B%3A%26quot%3B%23ffffff%26quot%3B%2C%26quot%3BlineColor%26quot%3B%3A%26quot%3B%23162c4a%26quot%3B%2C%26quot%3BminPointColor%26quot%3B%3A%26quot%3B%23ff7f7f%26quot%3B%2C%26quot%3BmaxPointColor%26quot%3B%3A%26quot%3B%2375bf7c%26quot%3B%2C%26quot%3BlastPointColor%26quot%3B%3A%26quot%3B%2355aaff%26quot%3B%2C%26quot%3BfillColor%26quot%3B%3A%26quot%3B%23ffffff%26quot%3B%7D&idSite=6&period=day&totals=0

Referrer: /index.php?module=CoreHome&action=index&idSite=6&period=month&date=2023-09-15&updated=2