I work with my friend for a while (who i have known for 20 years +). She had been acting a bit funny and taking clients from me and not involving me which was raised with management and we had a meeting where she said that this would not affect our work relationship. Since then she has blocked me on all social media and she cant be contacted outside work, I don't want to raise non work matters in work as she has already tried to get me in too trouble. Recently at work she has out right blanked me, she doesn't say hello in front of other colleagues and excludes me, she does involve me in work matters, what do I do as i cant confront her out side of work about our friendship . I feel that I cant address her in work for work matters because of the cold shoulders and professional exclusion. I feel that if I address this with management that this would affect my job role which I still haven't had a probation meeting. Her blanking me is affecting my mental health and doesn't help with our working relationships as we do the same role with in the company also that the management will side with her.