When you are writing subject lines for negative messages to peers and subordinates:

Question

a. put the topic, but not your action on it, in the subject line.

b. put the topic, including your action on it, in the subject line.

c. do not include the topic in the subject line.

d. describe how the problem happened.

Answer 1

What do YOU THINK?

Answer 2

I think it is a. put the topic, but not your action on it, in the subject line.

Answer 3

Yes, I agree.