2018.11.10 01:03:52 (1061046745885491202) from Daniel J. Bernstein:
"On the impact of decryption failures on the security of LWE/LWR based schemes" (D'Anvers, Vercauteren, Verbauwhede) https://eprint.iacr.org/2018/1089: complicated analysis; varying levels of security damage. Doesn't mention the simple low-cost solution: eliminate all decryption failures.