I have a forum at my blog https://iotdunia.com, I am admin but unable to reply existing post.
And my registered members unable to create new topic and unable to reply existing post.
Please help. These issues suddenly comes automatically , no change in any settings.
Below is my forum link
If you have a Cache or Minifier/Optimizer plugins please delete all caches and check again.
Also please read this topic about wpForo and Cache Plugins: https://wpforo.com/community/faq/wpforo-and-cache-plugins/