OpenAI has temporarily paused upgrades to ChatGPT Plus due to overwhelming demand...

https://www.searchenginejournal.com/openai-pauses-new-chatgpt-plus-subscriptions-due-to-surge-in-demand/501360/

 

OpenAI Pauses New Subscriptions And Upgrades To ChatGPT Plus

OpenAI has temporarily paused upgrades to ChatGPT Plus due to overwhelming demand, leading to some frustration for those with a free account.