undefined is not an object (evaluating 'this.props.steps.t')

[btbatson]

Hi, Any help for this issue?
TypeError: TypeError: TypeError: TypeError: undefined is not an object (evaluating 'this.props.steps.t')

This error is located at:
in LessonList (created by Connect(LessonList))
in Connect(LessonList) (at Course.js:49)
in RCTView (at View.js:45)
in View (at ScrollView.js:852)
in RCTScrollView (at ScrollView.js:967)
in AndroidSwipeRefreshLayout (at RefreshControl.js:167)
in RefreshControl (at Course.js:86)
in ScrollView (at Course.js:83)
in Course (created by Connect(Course))
in Connect(Course) (at SceneView.js:9)
in SceneView (at StackViewLayout.js:478)