Your account might be locked for security reasons because of multiple failed attempts to login. In such case, we suggest you wait for 10 minutes and try logging in again with the correct email and password.
In case you don’t remember the password, click on the “Forgot your password?” on the login page.
If the above-provided solution doesn’t work for you, please do not hesitate to contact us through the chat icon in the bottom right corner of the screen or email at csr@mst.sg