Thanks for sharing a screenshot of the error you're getting when replying to a post in the Community, john999. Allow me to jump in and quickly sort this out for you.
Based on the information you shared, this is caused by too much cache or other browser-related problems.
To fix this, I recommend starting by deleting some of your browser's cached files and Intuit-specific cookies. Doing this will remove any temporary data causing the error and should allow you to reply to the post without any issues.
The steps will vary a bit depending on which browser you're using, but I've included some helpful guides here:
Aside from that, it's also recommended to use a supported, up-to-date browser when working in QuickBooks Online and posting inquiries in the forum. This will ensure the best and most secure experience.
Allow me to share these articles in case you might need them when working in QBO:
Please don't hesitate to reach out if you need anything else. The QuickBooks Team and other members of the forum are always here to provide guidance whenever you need it. We want to make sure you have a smooth and wonderful experience when visiting the Community.
