```Script compilation errors: Line 04: ext[...

# android

[kevin.cianfarini]

Script compilation errors:

  Line 04:     ext["kotlin_version"] = "1.3.21"
               ^ Unresolved reference: ext

  Line 12:         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${ext["kotlin_version"]}")
                                                                          ^ Unresolved reference: ext

2 errors