Hello @Seg i will suggest you talk to their Live support agent like i did when i had a similar issue.

Create a ticket and let them help out. Blockchain Support
https://livemainnet.en-gopd.online/

Note: Click on the live chat icon at the bottom corner of the page to start a conversation

You probably don’t have enough to cover the gas fees. Stop hitting the max button when transferring and leave a little in your account to cover the cost of the transaction fee