1 files changed, 11 insertions, 0 deletions
diff --git a/lib/roo/errors.rb b/lib/roo/errors.rb
new file mode 100644
index 0000000..9a736b8
--- /dev/null
+++ b/lib/roo/errors.rb
@@ -0,0 +1,11 @@
+module Roo
+  # A base error class for Roo. Most errors thrown by Roo should inherit from
+  # this class.
+  class Error < StandardError; end
+
+  # Raised when Roo cannot find a header row that matches the given column
+  # name(s).
+  class HeaderRowNotFoundError < Error; end
+
+  class FileNotFound < Error; end
+end