Update: re-imported our one correctly-linked course (your own export) and got the identical result — Course link worked, Lesson link stayed blank. Since that’s known-good data from your own importer, this rules out any formatting issue on our end; looks like a bug in the Topics import itself.Also tried a two-step import (Lessons first, then Topics referencing the already-existing Lesson) to rule out a timing issue — same result, Lesson still doesn’t get linked. Happy to send over the files if it helps reproduce it.
