diff --git a/R/Start.R b/R/Start.R
index 5bb0bda2706c333d950b23acc6b8e9a9ea91b1e4..55c16f9527464d6168d413089648670ead98b52f 100644
--- a/R/Start.R
+++ b/R/Start.R
@@ -2053,7 +2053,7 @@ Start <- function(..., # dim = indices/selectors,
             stop("The dimension(s) '", paste(undefined_dims, collapse = ", "),
                  "' is found in the file ", file_path,
                  " but not defined in the Start call.")
-          }
+          } 
         }
 
 
@@ -3951,6 +3951,9 @@ Start <- function(..., # dim = indices/selectors,
       #NOTE: When one file contains values for dicrete dimensions, rearrange the 
       #      chunks (i.e., work_piece) is necessary.
       if (split_multiselected_dims) {
+        if (!exists("indices_chunk")) {
+          indices_chunk <- c()
+        }
         tmp <- rebuild_array_merge_split(
                  data_array = data_array_tmp, metadata = metadata_tmp, indices_chunk,
                  all_split_dims, final_dims_fake, across_inner_dim, length_inner_across_dim)
@@ -4086,6 +4089,9 @@ Start <- function(..., # dim = indices/selectors,
       #NOTE: When one file contains values for dicrete dimensions, rearrange the 
       #      chunks (i.e., work_piece) is necessary.
       if (split_multiselected_dims) {
+        if (!exists("indices_chunk")) {
+          indices_chunk <- c()
+        }
         tmp <- rebuild_array_merge_split(
                  data_array = NULL, metadata = metadata_tmp, indices_chunk,
                  all_split_dims, final_dims_fake, across_inner_dim, length_inner_across_dim)