<%=@error.message%>: <% case @error.type when :error_opening_file%> <%=@error.error.message %>. <% when :error_writing_file %> <%=@error.error.message%>. <% when :error_opening_directory %> <%=@error.error.message%>. <% when :error_creating_directory %> <%=@error.error.message%>. <% else %> ‘<%= @error.data %>’. <% end %>