Erreur :

#
# Fatal error in ../deps/v8/src/api.cc, line 1062
# Check failed: !value_obj->IsJSReceiver() || value_obj->IsTemplateInfo().
#

==== C stack trace ===============================

    grunt(v8::base::debug::StackTrace::StackTrace()+0x16) [0x1580b06]
    grunt(V8_Fatal+0xd6) [0x157b826]
    grunt(v8::Template::Set(v8::Local<v8::Name>, v8::Local<v8::Data>, v8::PropertyAttribute)+0xf7) [0xa9c4f7]
    /var/www/sfx/node_modules/grunt-sass/node_modules/node-sass/vendor/linux-x64-51/binding.node(SassTypes::Number::initPrototype(v8::Local<v8::FunctionTemplate>)+0x148) [0x7febf6802168]
    /var/www/sfx/node_modules/grunt-sass/node_modules/node-sass/vendor/linux-x64-51/binding.node(SassTypes::SassValueWrapper<SassTypes::Number>::get_constructor_template()+0x120) [0x7febf67fda90]
    /var/www/sfx/node_modules/grunt-sass/node_modules/node-sass/vendor/linux-x64-51/binding.node(SassTypes::SassValueWrapper<SassTypes::Number>::get_constructor()+0x45) [0x7febf67fdb45]
    /var/www/sfx/node_modules/grunt-sass/node_modules/node-sass/vendor/linux-x64-51/binding.node(SassTypes::Factory::initExports(v8::Local<v8::Object>)+0x3d) [0x7febf67fd62d]
    /var/www/sfx/node_modules/grunt-sass/node_modules/node-sass/vendor/linux-x64-51/binding.node(RegisterModule(v8::Local<v8::Object>)+0x5b7) [0x7febf67f4fd7]
    grunt(node::DLOpen(v8::FunctionCallbackInfo<v8::Value> const&)+0x325) [0x12b9f25]
    grunt(v8::internal::FunctionCallbackArguments::Call(void (*)(v8::FunctionCallbackInfo<v8::Value> const&))+0x141) [0xac48c1]
    grunt() [0xb46eac]
    grunt(v8::internal::Builtin_HandleApiCall(int, v8::internal::Object**, v8::internal::Isolate*)+0x155) [0xb473a5]
    [0x28f46fe043a7]
 

 Résolution :

sudo npm cache clean -f
sudo npm install -g n
sudo n 7.7.1

sudo npm install npm@latest -g

npm update