I am getting this error when I try to create an invoice in netsuite from Integrator 'invalid postMap hook response: expecting canonical data response with same size'

@justinvidal is this a custom flow? Can you provide some screenshots of your flow configuration? Sounds like the error is within a NetSuite SuiteScript hook.

Tyler Lamparter Yeah, I am trying to use a NetSuite SuiteScript hook to update a sales order and generate an invoice. I have attached screenshots of the hook I have set up, the import for the destination the hook is on, the javascript function I am referencing, and the flow configuration. [530104…

hi! I'm getting the same type of error on the Credit Memo creation step of the Shopify to Netsuite refund flow. Sometimes I'm able to resolve it by retrying the error, sometimes it persists. Any leads are appreciated!

@roxanecosnarddesclos if you're using the integration app, I'd suggest creating a support ticket. I can't really help troubleshoot for those.

@justinvidal Make sure you are returning response data at the end of your script. Ex. return options.responseData;

Unsolved Error

Integrator.io

tylerlamparter (Tyler Lamparter) February 11, 2023, 1:49am 4

@justinvidal is there a reason you're using a suitescript as opposed to using the functionality we have within Celigo to transform records? Check out this article and see if you could do this as opposed to suitescript https://connective.celigo.com/t/how-to-transform-record-to-netsuite/1451

Topic		Replies	Views
Postmap hook does not seem to be working Integrator.io	9	137	January 23, 2026
Pre send - Celigo.integrator.Hook: error calling hook func Integrator.io javascript , error-handling , netsuite , script , hooks	2	134	November 12, 2025
How to trigger the execution of a NetSuite script after a flow completes Integrator.io error-handling , http , netsuite , script , hooks	4	321	June 27, 2024
Issue with Item Receipting flow having stopped functioning Integrator.io error-handling , flow-builder , netsuite , audit , import	1	98	November 16, 2023
NetSuite Import 2.0 Error Integrator.io error-handling , netsuite , import	6	167	October 12, 2023

Unsolved Error

Related topics