Contradiction with Numbers 18:7
This verse specifies the duties of priests and Levites concerning the altar and sanctuary, providing a different perspective on specific responsibilities assigned to them, including not explicitly mentioning gate opening.
Numbers 18:7: Therefore thou and thy sons with thee shall keep your priest's office for every thing of the altar, and within the vail; and ye shall serve: I have given your priest's office [unto you] as a service of gift: and the stranger that cometh nigh shall be put to death.
Contradiction with Hebrews 8:5
This verse talks about the priests serving in an earthly tabernacle as a copy of the heavenly one, indicating a shift in understanding of worship and routine duties beyond those specified in 1 Chronicles 9:27.
Hebrews 8:5: Who serve unto the example and shadow of heavenly things, as Moses was admonished of God when he was about to make the tabernacle: for, See, saith he, [that] thou make all things according to the pattern shewed to thee in the mount.
Contradiction with 2 Chronicles 23:19
This verse discusses gatekeepers with the responsibility to guard the doors to keep out the unclean, contrasting with the simple duty of opening the doors in the morning as described in 1 Chronicles 9:27.
2 Chronicles 23:19: And he set the porters at the gates of the house of the LORD, that none [which was] unclean in any thing should enter in.