Showing Typing Error although I typed correctly when typing Bengali

[shuvongkor]

When I taking test or create a competition in Bengali language, there is huge problem. It is showing Typing Error although I typed correctly when typing Bengali.

Anyone can help me out? Is there any way to fix this?

[Linsk]

Hello,

Need more details.
Which browser do you use?
Which keyboard layout / input method do you use?
It seems that it only affects certain words, not all. Which characters are problematic?

[shuvongkor]

Browser: Opera 53
OS: Windows 10

Keyboard: Avro Keyboard

Keyboard Layout: Avro Phonetic