OpenSSL::PKey::PKeyError
OpenSSL::PKey::PKeyError has not been discovered yet
  Ruby's 
 OpenSSL::PKey::PKeyError class #<:comment:0x005567aa6dbde0> --- #<:comment:0x005567aa61cf80> --- #<:comment:0x005567aa3dda58> --- #<:comment:0x005567aa204268> --- #<:comment:0x005567a9f3d7c8>