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Warning: Undefined array key "BillSeriesId" in G:\HOST\wmsdemo\getpackingdata.php on line 6

Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, bool given in G:\HOST\wmsdemo\getpackingdata.php:10 Stack trace: #0 G:\HOST\wmsdemo\getpackingdata.php(10): sqlsrv_query(false, 'select * from W...') #1 {main} thrown in G:\HOST\wmsdemo\getpackingdata.php on line 10