# ri > Mechanize::UnsupportedSchemeError

## [Mechanize::UnsupportedSchemeError](https://www.chedong.com/phpMan.php/perldoc/Mechanize%3A%3AUnsupportedSchemeError/markdown) < [Mechanize::Error](https://www.chedong.com/phpMan.php/perldoc/Mechanize%3A%3AError/markdown)

(from /home/chedong/.local/share/rdoc)
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## Class methods:

  new

## Instance methods:

  scheme
  uri

## Attributes:

  attr_accessor scheme
  attr_accessor uri