Scraping data from a web always return no data

it's only work if i reduce the number of selected rows in the table

URL: https://edugate.ksu.edu.sa/ksu/ui/guest/timetable/index/scheduleTreeCoursesIndex.faces

Sitemap:
{"_id":"ksu","startUrl":["https://edugate.ksu.edu.sa/ksu/ui/guest/timetable/index/scheduleTreeCoursesIndex.faces"],"selectors":[{"id":"Department","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"div#dtree0.clip > div.dTreeNode:nth-of-type(31) a.node","multiple":false,"delay":"0","clickElementSelector":"div#dtree0.clip > div.dTreeNode:nth-of-type(31) a.node","clickType":"clickOnce","discardInitialElements":false,"clickElementUniquenessType":"uniqueText"},{"id":"Specialize","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"a.nodeSel","multiple":false,"delay":"2000","clickElementSelector":"a.nodeSel","clickType":"clickOnce","discardInitialElements":false,"clickElementUniquenessType":"uniqueText"},{"id":"detail","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"div#left","multiple":true,"delay":"2000","clickElementSelector":"table#myForm\:timetable a","clickType":"clickOnce","discardInitialElements":true,"clickElementUniquenessType":"uniqueHTML"},{"id":"table-detail","type":"SelectorTable","parentSelectors":["detail"],"selector":"td.toolTipText2 div table","multiple":true,"columns":[{"header":"اليوم","name":"اليوم","extract":true},{"header":"الوقت","name":"الوقت","extract":true},{"header":"القاعة","name":"القاعة","extract":true}],"delay":"2000","tableDataRowSelector":"tr:nth-of-type(n+2)","tableHeaderRowSelector":"tr:nth-of-type(1)"},{"id":"Instructor-name","type":"SelectorText","parentSelectors":["detail"],"selector":"label#instructorDiv.toolTipText2","multiple":false,"regex":"","delay":"2000"}]}

يا هلا يا فيصل، تبي أي شيئ بالضبط في الموقع ؟

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