app gives error after succesfull build

[abdulkabirpatel]

whenwvwer i start with run-anroid

build is successful but app gives error

`[Sat Dec 26 2020 18:20:12.427] ERROR Warning: React.createElement: type is
nvalid -- expected a string (for built-in components) or a class/function (for
omposite components) but got: object.

Check your code at renderApplication.js:45.
[Sat Dec 26 2020 18:20:12.428] ERROR Error: Element type is invalid: expect
d a string (for built-in components) or a class/function (for composite compone
ts) but got: object.

This error is located at:
in RCTView (at View.js:34)
in View (at AppContainer.js:106)
in RCTView (at View.js:34)
in View (at AppContainer.js:132)
in AppContainer (at renderApplication.js:39)
[Sat Dec 26 2020 18:20:12.429] ERROR Error: Element type is invalid: expect
d a string (for built-in components) or a class/function (for composite compone
ts) but got: object.

This error is located at:
in RCTView (at View.js:34)
in View (at AppContainer.js:106)
in RCTView (at View.js:34)
in View (at AppContainer.js:132)
in AppContainer (at renderApplication.js:39)

`