Continued to fix the error encountered in the web application with help from Nate and modify the connection for JDA as the package used is not working and modify the script as well as it is not working when using PDO. Tested the integration, as per testing, the data successfully inserted into JDA, advise sir Rey that the data is inserted in JDA, get by triggering a button the SSI SKU and PO number assigned by JDA in the inserted items, as per checking, all is OK, will test the validation, again and again, to make sure that all the possible error scenarios are validated in the web application.