FM13 won't import Bento data

Issue report by konnektor

Product

FileMaker Pro

Version

13

Operating system version

10.10

Description of the issue

i can't import bento data into a new or existing FMP13 database.

Steps to reproduce the problem

when i ask FMP13 to convert an existing file, and select bento data source

Expected result

FMP13 converts the bento datafile into an FMP database

Actual result

i get a popup message

Exact text of any error message(s) that appear

You must have Bento 2 (or a later supported version) installed on this computer.

Configuration information

mac os 10.10
bento 4.1.2 - was running fine before yosemite upgrade

Workaround

none

Screenshot