php error happened

Technical information
Error type256
Error descriptionTable 'livedemo_northwind.camera_test' doesn't exist
URLxlinesoft.com/livedemo/snapshotcam/camera_test_list.php?
Error fileC:\inetpub\wwwroot\xlinesoft.com\public_html\livedemo\snapshotcam\connections\Connection.php
Error line661
SQL queryselect count(*) from (SELECT `id`, `name`, `password`, `photo` FROM `camera_test` ) a

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