diff --git a/R/AnnotationGenome.R b/R/AnnotationGenome.R
index d35fa9ba..c61b8bb8 100644
--- a/R/AnnotationGenome.R
+++ b/R/AnnotationGenome.R
@@ -41,7 +41,7 @@ createGenomeAnnotation <- function(
 
     ##################
     message("Getting blacklist..")
-    blacklist <- .getBlacklist(genome = bsg@provider_version)
+    blacklist <- .getBlacklist(genome = bsg@metadata$genome)
 
   }else{
 
diff --git a/R/AnnotationPeaks.R b/R/AnnotationPeaks.R
index 60b30642..04913b54 100644
--- a/R/AnnotationPeaks.R
+++ b/R/AnnotationPeaks.R
@@ -606,7 +606,7 @@ addArchRAnnotations <- function(
     }
   }
 
-  genome <- tolower(validBSgenome(getGenome(ArchRProj))@provider_version)
+  genome <- tolower(validBSgenome(getGenome(ArchRProj))@metadata$genome)
 
   annoPath <- file.path(find.package("ArchR", NULL, quiet = TRUE), "data", "Annotations")
   dir.create(annoPath, showWarnings = FALSE)
diff --git a/R/Embedding.R b/R/Embedding.R
index ba59be35..80b4cf1a 100644
--- a/R/Embedding.R
+++ b/R/Embedding.R
@@ -223,14 +223,14 @@ addUMAP <- function(
   for (i in seq_len(n_metrics)) {
       nn_tmpfname <- file.path(uwot_dir, paste0("nn", i))
       if (n_metrics == 1) {
-          model$nn_index$save(nn_tmpfname)
-          model$nn_index$unload()
-          model$nn_index$load(nn_tmpfname)
+          model$nn_index$ann$save(nn_tmpfname)
+          model$nn_index$ann$unload()
+          model$nn_index$ann$load(nn_tmpfname)
       }
       else {
-          model$nn_index[[i]]$save(nn_tmpfname)
-          model$nn_index[[i]]$unload()
-          model$nn_index[[i]]$load(nn_tmpfname)
+          model$nn_index[[i]]$ann$save(nn_tmpfname)
+          model$nn_index[[i]]$ann$unload()
+          model$nn_index[[i]]$ann$load(nn_tmpfname)
       }
   }
   setwd(mod_dir)