Hi freightaus1-gmai,
Thanks for posting in the Community!
Let me provide some information regarding the error message you're getting when trying to lodge your BAS. The error message you're getting when lodging BAS is there could be a mismatch between the QuickBooks Online GST settings and your ATO business portal settings. The two portal needs to have the same setup in order to successfully lodge your BAS.
The most common mismatch is the PAYGW/I is turned on in QuickBooks Online and is different from your ATO settings. I'd recommend checking your GST settings and comparing them with your ATO business portal settings making sure they're the same setup. Here's how to check your GST settings in QBO:
If all seems correct in the GST settings of QBO, please log in to your ATO business portal account and check your overdue activity statements and verify if your obligations have not changed. You'll also see from there information of what the ATO is expecting in terms of lodgement.
If the issue remains, I'd also recommend contacting our Customer Care Team so that one of our support agents can further check your account in a secure form.
Post again in the Community if you have more questions. I'm around to help you!
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