in reply to Re^2: JSON 2.5 2.90
in thread JSON 2.5 2.90

Could not load PERL_YAML_BACKEND 'YAML'
There are two ways around this, one is to simply unset that environment variable (PERL_YAML_BACKEND) and the other is to install YAML.

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Re^4: JSON 2.5 2.90
by pno (Initiate) on Mar 24, 2014 at 12:01 UTC

    This was the cause. I unset variables:
    PERL_YAML_BACKEND
    PERL_JSON_BACKEND
    And it worked. Thanks

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