App crashes while selecting any file from file manager.

Expected behavior

when i open the chip8 app and then click on options section at the top of right side .then click on load option to load file from file manager it must work.

Actual behavior

when i enter into the chip8 app and click on options botton at the top. Then i want to load any file from file manager.after clicking any file in file manager app crashes.

How to reproduce

• Open the chip8 app.

• Click on options section at the top of right corner.

• Then click on load option to load something.

• Then i select any file from file manager.

• After clicking any file app crashes.

• Browser: chip8.

• version:0.7.1

• Operating system:7.1.2

Recording Of The Bug

The recording of the bug is below in the from of gif;