Unable to launch main activity error

hi @Chris_Trevarthen

I have done setup katlon studio for mobile testing. I have run testing on sample project which generated by katlon studio it is working fine but when i try to run testing on my apk it is giving me error. I have generated apk using expo command. Basically this was react native project using expo framework.
I am using these configuration
Node: 12.18.1
katlon: 7.13.0
appium: 1.17.0


can some body help me what should i need to fix this?