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.
Asked the manager for a private conversation
Moderate
Cause
He has unresolved concerns over his contract. His relationship with the manager is steady but tense. He has already raised this with the manager recently.
Outlook
Contract request risk increased.
Wants to head back home
Serious
Cause
After a long, difficult settling period he is openly hoping for a move home or to a familiar club. (He still does not speak the local language.; He has no compatriots in the dressing room.)