"Because they lead my people astray, saying, "Peace," when there is no peace, and because, when a flimsy wall is built, they cover it with whitewash," (NIV)
Because, even because they have seduced My people, saying, Peace, when there is no peace, and because when one builds a [flimsy] wall, behold, [these prophets] daub it over with whitewash (AMP)
Because, even because they have seduced my people, saying, Peace; and there was no peace; and one built up a wall, and, lo, others daubed it with untempered morter: (KJV)