:Back throws an error

[regedarek]

:Back test
always returns

Error detected while processing function ferret#private#back:
line    1:
E730: using List as a String
E116: Invalid arguments for function call

I have newest neovim and ferret.

[capelio]

As of 25 Oct 2017, using ferret 3.0.1 and Neovim 0.2.0 I also receive the same error when searching through buffers using the following leader:

nmap <Leader>sb :Back<space>

[wincent]

Thanks for confirming @capelio, and thanks for the initial report @regedarek. I can repro this, but I hadn't noticed as I very rarely use :Back myself. I'll see if I can get a fix ready.

[regedarek]

thank you wincent for all!

[capelio]

My thanks to you as well, @wincent, for the quick response and the awesome project :)