Function error_layer

src/db/db/dbLayout.h:1794–1797

* @brief Gets the error layer * * The error layer is used to display error messages. */

   *  The error layer is used to display error messages.
   */
  unsigned int error_layer () const
  {
    return m_layers.error_layer ();
  }

  /**
   *  @brief Set the properties for a specified layer