unable to switch to Table Editor

[pkoppstein]

tablr attempted to show a preview of a large TSV file before I had a chance to fill in the options about how to treat quotation marks, etc; the preview failed, and I am now unable to open the file in Table Editor mode!

It would seem that this is a bug; if so, I suppose it may be a while before a fix is included in an official release. In the meantime, I'd appreciate any suggestions regarding workarounds.

Perhaps I've missed it, but it would be nice to have a context menu allowing one to switch to Table Editor mode.