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Time out error on sync of invoice to QB

I have one invoice with 500 line items to sync to  QB . I am using ,c# . It gives time time out error and the application is redirected to error page . 

What I understood is the for loop for copying QBInvoice.lineitem  to intuite.Ipp.QBInvoice is the reason for the  error. Is there any way to do without loop, please help!

1 Comment
QuickBooks Team

Time out error on sync of invoice to QB

Thanks for posting here today, @PMQMi.


I have some information about the time-out of sync error. We have a separate forum called Intuit Developer where you can post questions like yours. It's where you get answers from our programming experts related to QBO integrations and applications.


Please check out this link:


Additionally, you can contact ASP Support for further assistance in the importing process.


In case you need help with other tasks in QBO, feel free to browse this link here to go to our general topics with articles.


Reach out to me if you have other questions or concerns with invoices or the program. I'll be around for you. Take care and have a good one.