530 Login authentication failed - happened suddenly

I was using the FTP for my website with no problems.

I saved a file and tried to upload it and noticed that it failed.
I tried reconnecting to the FTP and found it failed for authentication failed.

I can log into the panel with no problems so i know that my password is right.

UPDATE:

Seems asif the problem sorted itself out, just hit connect and it worked.

Yes…its working fine now!!!