Question about mapQuery function

[MoLuLuMo]

query <- mapQuery( scale.data, meta.data, ref, vars = 'sample', do_normalize = FALSE, do_umap = TRUE)

Scaling and synchronizing query gene expression
Found 2295 out of 3000 reference variable genes in query dataset
Project query cells using reference gene loadings
Clustering query cells to reference centroids
Correcting query batch effects
UMAP
Error in uwot::umap_transform(t(Zq_corr), ref_umap_model) :
Incorrect dimensions: X must have 30 columns