Steps to check.
Check the income through the following link.
Validate that the entered data is correct, always respecting the characters in capital letters, lowercase, Without spaces and remember that the first time you enter the portal this will ask you for a password change so the original password we send to the mail will no longer be valid.
In case you have forgotten the entered password you must request the reset of the password from the same portal as shown in the following pictures and after that check the mail the new password generated.
In case the fault persists please report it through the following link.