Failed to remove obfuscation for method

[greenozon]

Seen a couple of subject issues,
eg

←[0;31;40;1m20315 [1] ERROR ControlFlow     - Failed to remove obfuscation for method System.Void ?????????????????????????????????????????::?????????????????????????????????????????(System.Collection
s.Generic.List`1<DuToanEntity.Custom.NhienLieuRow>) (Method still obfuscated after deobfuscation)←[0m
←[0;31;40;1m20317 [1] ERROR ControlFlow     -    at UnConfuserEx.Protections.ControlFlowRemover.Remove(ModuleDefMD& module) in 

and similar

also this assembly has some warnings that we talked about in the past

WARN  ControlFlow     - Not all obfuscated blocks were processed! Only processed 0 out of 1
...

err.zip