The disagreement started because they judged training effort very differently. It played out on the training ground in front of the rest of the squad.
Outlook
Likely to settle unless repeated within the next few weeks.
Frustrated after the club rejected interest from Sturm Graz
Moderate
Cause
Stage: the bid was rejected. It became public after the bid was rejected. The link is speculative for now. A bid has already been rejected. The talk has begun to distract him.