This error commonly occurs in QuickBooks Online when configurations in Webgility Online are deemed invalid due to the absence of updated accounting data.
How to Fix:
Follow the steps outlined below:
Ensure your QuickBooks Online account is connected to Webgility Online using Administrator credentials. If not, disconnect and reconnect. Refer to the QuickBooks Online steps in our help article.
In Webgility Online, refresh the accounting data using the steps provided in our help article. Remember to click the save button for each section.
Download items from scratch by following the steps in our help article. Again, click the save button for each section.
After completing the above steps, attempt to post the orders. This should resolve the issue.
If the problem persists, please contact our support team by initiating a support chat.