Error in creating content with chatgpt plugins

I use the free api for wordpress plugins, but for several days now, I can’t produce any content with the plugins and I keep seeing the following error!?

You exceeded your current quota, please check your plan and billing details. Please note that this message is coming from OpenAI and it is not related to our plugin. It means that you do not have enough credit from OpenAI. You can check your usage here: OpenAI Platform

But I have enough credit!