### Answer
For the error related to "Over billing limit," ensure that you have correctly set your billing limit in the billing section of your dashboard. If the error persists, try using a different credit card or updating your card information again. This issue has been discussed in a Discord forum where a user experienced similar problems and resolved it by using a different card [(1)](
) , [(2)](
) .
For the error when publishing, the "over concurrency limit" could be related to exceeding the number of allowable concurrent sessions. This specific error isn't detailed in the documents, but you may want to check your concurrency limits and adjust your usage accordingly [(3)](
) .