MYOB Issue 8th August 2024
MYOB have acknowledged error in the API forum thread.
“We have developers confirming that getting the MYOB user to revoke access and then reauthorizing the API key; resolves the issue. At this stage we are not sure what actually caused this issue, but identity services are going through some changes which may have caused this issue. We will find out. “
Step 1 – Revoke DataWise Report Writer Access to your MYOB file From time to time a client may wish to revoke access to your application, or for whatever reason, you may need the client to revoke access & re-connect to get fresh tokens. MYOB has a secure server where any client can login and see the list of files that are authenticated against their account. To reach this site, simply visit the URL below and login. https://secure.myob.com/ Once there and logged in the user will see a screen like this. 
Clicking the Revoke Access button will instantly terminate any existing access_tokens and refresh_tokens.
Step 2 – Open DataWise Report Writer and go to setup Set up the MYOB connection again ( See installation guide Step 2 in this guide ) 
Be sure to click the [Allow Access] button 
Then click the [Get Response] button to continue
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