script '/buildsystem/secret.gradle': 1: unexpected char: 0x0 @ line 1, column 1.

[NurseyitTursunkulov]

I want to start to contribute but the project gives this error. How to solve it?

[eadm]

Hi, try to follow these steps

1. remove apply from: 'buildsystem/secret.gradle' line from global build.gradle file
2. create or use your own keystore in signingConfigs section of app/build.gradle
3. create or use your own google-services.json