Hi there, @Mitzi51.
Thanks for reaching out to the QuickBooks Community. I hope you're having a great day so far.
After a bit of research for the error message you have listed here, I recommend reaching out to our Intuit Developer Site. From there, one of our members of the development team can assist you and investigate this error further. You can use the link I'm including below to connect with them directly.
In the meantime, I wanted to share this resource I found from the Developer Site that may help you out:
Please let me know if there is anything else I can assist you with. Take care and have a wonderful day ahead!
