OK I managed to find the offending part. It seems `options(lazylaod('*'))` which was my default "sledge-hammer" to ensure that only needed tables are joined (to form compact queries) is at fault. Removing `options()` also removes the errors. I understand that in 0.9.x a new `Load` interface was added. But I don't understand how it interferes with my existing options(lazyload('*')) queries.
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