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Composer Update throws RuntimeException

Composer Update throws RuntimeException

Hello everybody,

 

i tried to install an extension by composer. My Composer doenst update at all.

 

Following commands "composer update" or "composer require ...." throwing me that error:

 

 [RuntimeException]
  Failed to clone https://github.com/magento/data-migration-tool via https, s
  sh protocols, aborting.
  - https://github.com/magento/data-migration-tool
    error: error:1407742ESmiley FrustratedSL routinesSmiley FrustratedSL23_GET_SERVER_HELLO:tlsv1 alert pro
  tocol version while accessing https://github.com/magento/data-migration-too
  l/info/refs

    fatal: HTTP request failed
  - git@github.com:magento/data-migration-tool
    error: cannot run ssh: No such file or directory
    fatal: unable to fork

 

How can i resolve this?

 

Thank you.

 

Best regards.