I’ve been working with my company for 23 years but am now experiencing the restructure our department. I used to receive stellar job reviews but since the new duties were added and my primary duties reduced, I have not been able to live up to my past reviews. The new duties are things I am not very good with and were not a part of my job when I was hired. I've been trying so hard but my progress at doing certain tasks has not been easy. The job is unionized, btw.