Need help for android

Ok game was pushed on phone but i recieved this error on my phone

How can i fix this or is my phone to weak for running ue4 games

MESSAGE:

default property warnings and errors:
Error CDO constructor(editableText): failed
to find /engine/fonts/roboto

Error: CDO constructor (editableTextBox):
Failed to find /engine/EngineFonts/Roboto

there are a lot more errors on my phone his screen