Misleading information

I received a message of a competion entry and instruction on what to do, so because im a mercedes fantasy i entered this competion and followed instruction send 25 whatsapp messages to group of friends for entry then enter your details upon sending all these messages i clicked get prize But it kicked me off i attempted again same thing doesnt go pass that screen, very dissapointed that Even if i didnt win that i couldnt Even get to the basic information session ive now sent 50 mesge to friends advertising for Mercedes and i get kicked out, wow very dissapointed