Calculation and Analysis – A possible error for Limit

I tried to calculate the limit of an expression, say:

Limit(1, c -> I, Assumptions -> Im(c) > 1)

And I got a message Limit::cas, At first I thought that maybe the name c was used by some packages. The problem persists, even if I replace it c with other names. The version of Mathematica on my computer is "11.0.0 for Linux x86 (64-bit) (July 28, 2016)". Does anyone have similar problems with other versions?