Ghana and Darmstadt midfielder Erich Berko was absent from his side's first training game after picking up an injury during training.
It has reported being a hamstring in his thigh.
The 24-year joined SV Darmstadt 98 from Bundesliga II side Dynamo Dresden in the on-going summer transfer window following his explosive performances in the past seasons.
Berko had to sit out of training after the injury.
According to a report from his club Darmstadt tests will be carried on him thus he will sit out of training for the coming days.