God is the only one worthy of worship. Nothing must take His place. He is to be served and adored.
Angels are not to be worshiped. Angels may be called by people through prayer but they always direct the message for God and Him alone. The Bible has written about the worship of angels being condemned.
18-19 The wrath of God is indeed being revealed from heaven against every impiety and wickedness of those who suppress the truth by their wickedness. For what can be known about God is evident to them, because God made it evident to them.
24-25 Therefore, God handed them over to impurity through the lusts of their hearts for the mutual degradation of their bodies. They exchanged the truth of God for a lie and revered and worshiped the creature rather than the creator, who is blessed forever. Amen.
We, as Catholics, should be careful not to believe in angel idolatry and praise. We have to be guided not to fall into paganism.