Keyman linux types double characters amharic font

i use amharic font with keyman on ubuntu lts. everytime i try to type a variation of a letter, it types as a separate character instead of one character

Welcome to the community.

Could you provide more info?

  1. Version of Keyman you’re using?
  2. Version of Linux you’re using?
  3. And example of the issue you are facing so that we can reproduce it.