Getting a write up for not being availed off schedule?
My schedule when I was hired said I was unavailable wensdays and Sunday's my boss agreed to this because I take clean my blind grandmother's home on these days and I schedule appointments. I was scheduled for a Sunday when I asked about it I was told I needed to find a replacement. When I couldn't find one I was told I would get a write up for not being able to work even though it my schedule says I'm unavailable to. Is this wrong for my boss to do?