Contradiction with Exodus 20:4
While Genesis 13:18 describes Abram building an altar, Exodus 20:4 prohibits making any graven images or likenesses, which some interpretations could extend to certain physical representations associated with worship.
Exodus 20:4: Thou shalt not make unto thee any graven image, or any likeness [of any thing] that [is] in heaven above, or that [is] in the earth beneath, or that [is] in the water under the earth:
Contradiction with Matthew 5:34-35
Genesis 13:18 implies setting a place of spiritual significance, whereas Matthew 5:34-35 advises against swearing by anything on Earth, including lands seen as sacred like Hebron.
Matthew 5:34-35: But I say unto you, Swear not at all; neither by heaven; for it is God's throne:
Contradiction with Acts 7:48
Genesis 13:18 involves building an altar as a place of worship, but Acts 7:48 states that God does not dwell in temples made by hands, implying physical altars might not be necessary for divine presence.
Acts 7:48: Howbeit the most High dwelleth not in temples made with hands; as saith the prophet,
Contradiction with Isaiah 66:1
Genesis 13:18 suggests sanctifying a physical location for worship, while Isaiah 66:1 indicates that heaven is God's throne and earth His footstool, questioning the need for earth-bound sanctuaries.
Isaiah 66:1: Thus saith the LORD, The heaven [is] my throne, and the earth [is] my footstool: where [is] the house that ye build unto me? and where [is] the place of my rest?
Contradiction with John 4:21
Genesis 13:18 emphasizes a specific place of worship, yet John 4:21 speaks of a time when worship will not be confined to specific locations.
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.