Wrong error message for answer with empty message in Q&A topic

Preconditions:

1. Select some branch
2. Assign CREATE_POSTS permissions
3. You should have at least one Q&A topic
4. Should be Russian, Ukrainian or Spanish language

Steps:
1.Open this Q&A topic and find answer form
2. Don't fill anything(empty input) in "Answer" text area and click "Answer" button

AR Validation error message "Не может быть пустым" appeared under "Answer" text area
ER Validation error message "Размер должен быть между 20000 " appeared under "Answer" text area