hi i have installed eset mobile security on my phone. and also bought an 1 year license for it. but when i pen the app it wants to activate the free license no other options and when i proceed with the app it asks for detection of potentialy unwanted programs and my email (i cant change my email. it reads it from my accounts) and then i tap activate button. it gives me an error stating this : communication errorinvalid data was entered. please re enter the data again (21002) what data is invalid exactly? and what can i do to fix this and apply my 1 year license?