I'm using QuickBooks Premier 2020 and was able to fix the issue after so much time using QBWC version 2.3.0.215. All four integrated apps are back working.INTUI...
Thank you for your response and the instruction you provided. I will try this later today. And I agree with theQuickBooks Desktop 2020 service discontinuation p...
https://quickbooks.intuit.com/learn-support/en-us/help-article/web-integration/fix-error-quickbooks-application-revoked/L6Y849bKg_US_en_USThis fix is only for c...