Contradiction with Matthew 28:19
Contradicts by emphasizing Jesus' command to take the message to all nations, whereas Acts 13:14 focuses on going to Jewish synagogues.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Galatians 3:28
Contradicts the focus on Jewish customs and traditions in Acts 13:14 by emphasizing that there is neither Jew nor Greek in Christ.
Galatians 3:28: There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus.
Contradiction with Romans 1:16
Contradicts Acts 13:14 by stressing that the gospel is for both Jews and Greeks, whereas Acts 13:14 depicts going first to the Jews.
Romans 1:16: For I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth; to the Jew first, and also to the Greek.
Contradiction with John 4:21
Contradicts the focus of worship in specific locations like a synagogue, as Acts 13:14 suggests, by highlighting that worship is not tied to a particular place.
John 4:21: Jesus saith unto her, Woman, believe me, the hour cometh, when ye shall neither in this mountain, nor yet at Jerusalem, worship the Father.
Contradiction with Ephesians 2:14
Contradicts the idea of just going to the Jews as in Acts 13:14, by stressing that in Christ, the divide between Jew and Gentile is abolished.
Ephesians 2:14: For he is our peace, who hath made both one, and hath broken down the middle wall of partition [between us];