What does it mean to rebut something?
a. to strike with enough force to break an object
b. to oppose using evidence or an argument
c. to use an aggressive and intimidating tone
d. to allow an opponent to win an argument

to oppose using evidence or an argument  

monkey investigator

explanation:

he looks like one

glitch or non-saved account.

explanation:

i'm not personally a mobile user but one reason could be that it is either a glitch where it doesn't automatically log you in, or you have it so cant save your log-in information. i suggest you use the mobile app instead of using your web browser!