diff --git a/UI/bug_report_form.gd b/UI/bug_report_form.gd
index 9ce7bef..88a2422 100644
--- a/UI/bug_report_form.gd
+++ b/UI/bug_report_form.gd
@@ -49,6 +49,9 @@ func _exit_tree():
 func fill_tags(tag_list:Array):
 	__label_groups.resize(BugbotServerAPI.BugbotTagArray.MAX)
 	__label_groups = tag_list
+	if __label_groups.size() != BugbotServerAPI.BugbotTagArray.MAX:
+		printerr("Invalid tag array format.")
+		return
 	
 	__product_name.text = ProjectSettings.get_setting("application/config/name", __DEFAULT_PRODUCT_NAME)
 	__fill_item_list(__version_button, BugbotServerAPI.BugbotTagArray.VERSION)