Can someone please advice me?

I needed 3 LORs (Letter of recommendation) for my further studies. so I messaged a few teachers.

They got irritated but I did not understand the reason. I made my mom call them up and get my work done.. One of them said ," Why doesn't Raphael call up. these matters need to be discussed clearly. Only messaging doesn't get your work done"
my mom then said that, " He was afraid of calling you because he thought u may be busy and may yell at him"
The teacher said, " No there is nothing like that".
Can someone please advice me?
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