Solved
Currently setting up a new company in QBO. When I switch to Cash Accounting I get an Application Error -90
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Thanks for bringing this up, adrian6.
The application error- 90 occurs when there's an issue updating Company Information such as switching your accounting method to Cash Accounting.
If you can reach out to the master admin and ask them to change the accounting method.
If they also get the error get back to me here. Keep safe and have a good one!
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