{errorType=TypeError, errorMessage=Cannot set property 'display_phone' of null, trace=["TypeError: Cannot set property 'display_phone' of null","    at \/var\/task\/controllers\/productController.js:538:40","    at \/var\/task\/services\/dynamoService.js:306:16","    at Response.callback (\/var\/task\/services\/dynamoService.js:62:20)","    at Request.<anonymous> (\/var\/task\/node_modules\/aws-sdk\/lib\/request.js:369:18)","    at Request.callListeners (\/var\/task\/node_modules\/aws-sdk\/lib\/sequential_executor.js:106:20)","    at Request.emit (\/var\/task\/node_modules\/aws-sdk\/lib\/sequential_executor.js:78:10)","    at Request.emit (\/var\/task\/node_modules\/aws-sdk\/lib\/request.js:688:14)","    at Request.transition (\/var\/task\/node_modules\/aws-sdk\/lib\/request.js:22:10)","    at AcceptorStateMachine.runTo (\/var\/task\/node_modules\/aws-sdk\/lib\/state_machine.js:14:12)","    at \/var\/task\/node_modules\/aws-sdk\/lib\/state_machine.js:26:10"]}