Defendants are not entitled to immunity “if, on an objective basis, it is obvious that no reasonably competent officer would have concluded that a warrant should issue, but if officers of reasonable competence could disagree on this issue, immunity should be recognized.”
Id. at 341, 106 S.Ct. at 1096. The fact that the defendants may have been mistaken as to the existence of probable cause does not in itself defeat the claim of qualified immunity.
See Anderson, ––– U.S. at ���–––, 108 S.Ct. at 3039. As long as the defendants' conclusions were objectively reasonable, albeit mistaken, they should not be held personally liable.
Id.