Contradiction with Acts 15:39
Barnabas took Mark and sailed to Cyprus, which signifies a separation from Paul contrary to working together in Acts 11:25.
Acts 15:39: And the contention was so sharp between them, that they departed asunder one from the other: and so Barnabas took Mark, and sailed unto Cyprus;
Contradiction with Galatians 2:11-13
Paul opposed Peter for his hypocrisy, suggesting potential earlier tensions not reflected in the collaboration of Acts 11:25.
Galatians 2:11-13: But when Peter was come to Antioch, I withstood him to the face, because he was to be blamed.
Contradiction with 1 Corinthians 1:12-13
Division among believers claiming loyalty to different apostles contrasts with the unity and cooperation implied in Acts 11:25.
1 Corinthians 1:12-13: Now this I say, that every one of you saith, I am of Paul; and I of Apollos; and I of Cephas; and I of Christ.