Liverpool have withdrawn Joel Matip out of the squad to face Manchester United as they have failed to receive clarity from FIFA about his eligibility.
Gabon head coach Jose Antonio Camacho said there are no communication difficulties in his squad with different dialects.
Ivory Coast will be looking to show their credentials as they face Togo in their first game in defence of their African Nations Cup trophy.
Tournament debutants Guinea-Bissau stunned hosts Gabon with a 90th-minute equaliser for a 1-1 draw in the opening game of the African Nations Cup.
Gabon's hosting of the 2017 African Nations Cup has not been universally popular, and a shock 1-1 draw on day one hammered home their malaise.
Burkina Faso fought back to earn a 1-1 draw from their opening Group A match against Cameroon at the 2017 African Nations Cup in Libreville.