DataTables warning: table id=example - Invalid JSON response. For more information about this error

DataTables warning: table id=hotel-listing - Invalid JSON response. For more information about this error, please see http://datatables.net/tn/1 Ask in comment box for more query. Laravel Angular tutorial: https://www.youtube.com/playlist?list=PLJ-xxUU6VPXkRl0OD6HiqriHqKKiNKizi MEAN Stack Tutorial: https://www.youtube.com/watch?v=osLyE54PGzU&list=PLJ-xxUU6VPXlpDXSqWrmnX_s37sCJm-_d&index=1&t=0s Php Tutorial: https://www.youtube.com/watch?v=NZ1Meg2DdFM&list=PLJ-xxUU6VPXkZCoQj_-LUJKNWEFKseuXP POST API in NodeJS Express | API to Insert record into Database: https://youtu.be/ws-WUzpUxSU?si=ChTNLVtzKU1qqEPk Channel: @thecodebehavior