Error -2015 means Binance is rejecting your bot's requests because something is wrong with your API key setup. The error can be caused by an invalid API key, an incorrect IP address, or missing permissions on the API key.
How to fix it
Follow our tutorial How to connect to Binance to check and correct your API key settings. Make sure your API key is valid, the correct IP addresses are whitelisted, and all required permissions are enabled.
Example of this error in your bot's log
04/09/2024 5:47:34 AM INFO There seem to be some issues with the authentication servers of Binance or with your API keys.
04/09/2024 5:47:34 AM ERROR Binance error. Code: -2015 Message: Invalid API-key, IP, or permissions for action.