Hi, when i try to set up connection r in knime, i have the problem with Convert to R node. Show me “Failed to retrieve the structure of R objects from port file”. Thanks for helping 
can you give us some more details maybe even a sample workflow to illustrate the problem.
i just create data generator and connect with convert to R
Have you tried using the regular R integration (for example, Table to R, R to R, and so forth) instead of the community nodes?
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