diff --git a/lua/high-str/tools/tool-exportimport/export.lua b/lua/high-str/tools/tool-exportimport/export.lua
index f757be7..636eebb 100644
--- a/lua/high-str/tools/tool-exportimport/export.lua
+++ b/lua/high-str/tools/tool-exportimport/export.lua
@@ -93,7 +93,7 @@ function M.export()
 		local file_cords = import.load_file(opts.saving_path .. "cords.txt") or {}
         local final_cords = {}
 
-        if (next(file_cords) ~= nil) then
+        if (file_cords ~= 0 and next(file_cords) ~= nil) then
             final_cords = vim.tbl_deep_extend("force", file_cords, cords)
 			for file, _ in pairs(final_cords) do
 				for local_file, _ in pairs(cords) do
diff --git a/lua/high-str/tools/tool-highlight/modules/highlight_selection.lua b/lua/high-str/tools/tool-highlight/modules/highlight_selection.lua
index cabe75c..7e4c346 100644
--- a/lua/high-str/tools/tool-highlight/modules/highlight_selection.lua
+++ b/lua/high-str/tools/tool-highlight/modules/highlight_selection.lua
@@ -55,6 +55,11 @@ function M.highlight_visual_selection(hi_group, beg_line, beg_col, end_line, end
     )
 
     if (beg_line == end_line) then
+        -- After import, highlight is triggered with line 0
+        -- Somehow, the command cannot be removed, but we can catch the exception here
+        if (beg_line == 0) then
+            return
+        end
         api.nvim_buf_add_highlight(current_buffer, 0, hi_group, beg_line - 1, beg_col, end_col)
     else
         -- api.nvim_buf_clear_namespace(current_buffer, 0, beg_line - 1, beg_line)