Trouble Withdrawing Tokens: Internal JSON-RPC Error

The Internal JSON-RPC error that you are encountering may be attributed to various factors such as inadequate gas fees, incorrect network selection, or problems with the RPC service itself. It is advisable to verify that you have an adequate amount of ETH to cover gas fees, particularly during periods of network congestion. Furthermore, attempting to connect to an alternative RPC server from the options provided on https://chainlist.org/ could potentially assist in resolving the issue.