If you are integrating with Square you want to watch this video. This will explain how to set up prior to integrating your Square app.
If you have it integrated and is having errors trying to add the transactions, you can disconnect and prior to reconnect follow the instructions to set it up.
If you want to hire us for a one on one tutorial please contact us at:
[email protected]
www.thebookkeepingxperts.com
407 504 9828

Below is the video on how to integrate Square with QuickBooks Online.

   • QuickBooks and Square Integration Update