In my PhD, I use references like that [MAR98].
Until now, there wasn’t any issues.
From yesterday, i obtain this :
see first attachement
So the first bracket that is to say this character “[”" is suppressed.
Here you can see how output style is tuned
See second attachement
How can I do so as to suppress this porblems of brackets ? Moreover, I noticed that with another computer but with the same style I didn’t have this problem.
Thank you for your help