The context of the following conversation is Addison thought Kendall was ready for the ball, but they were not and the ball left a nasty bump on Kendall's head.:
Addison says I threw the ball at Kendall.  I thought she was ready for the ball, but she wasn't. It left a huge nasty bump on her head..
The friend responds  Is she okay?.
Addison responds She went to urgent care and had it checked out.  She'll be alright..
The friend responds They gave her some pain killers to help with the pain and swelling..
Addison responds I feel terrible for causing her harm..
The friend responds It was an accident.  You didn't meant to do it..