Revit schedules show blank cells when there are multiple different values. It looks like your schedule is grouped by level and the 3 lines at the top are not grouped to a level, which either means that they have no level association or they have multiple level values for that family type.
Hi [@hliS658H
Thanks a lot for posting your question to the forums! Has the solution suggested by @Lachlan-JWP helped with your issue?
We look forward to hearing back from you with more information so we can help you as a community!
Jonathan Hand
Industry Community Manager | AEC (Architecture & Building)
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