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rizwan ahmed 16rizwan ahmed 16 

ttps://developer.salesforce.com/trailhead/project/quickstart-app-builder/quickstart-app-builder1

I have added all the components correctly  even though i am getting the  same error.can any one help me out with this error
Best Answer chosen by rizwan ahmed 16
rizwan ahmed 16rizwan ahmed 16
 Hi piyush soni thanks for the Link .Actually I was not able to find the component with name 'Collaborate' under the standard components list. I found out that the  "Chatter feed in the new Lightning Experience is referred to as Collaborate ". The below solution worked for me. 
User-added image

All Answers

rizwan ahmed 16rizwan ahmed 16
I have added all the components which required. even though i am getting the same error

i have added all the components as required. even though iam fetting the same error can any one help me out with this error in "https://trailhead.salesforce.com/lightning_app_builder/lightning_app_builder_recordpage"
rizwan ahmed 16rizwan ahmed 16
 Hi piyush soni thanks for the Link .Actually I was not able to find the component with name 'Collaborate' under the standard components list. I found out that the  "Chatter feed in the new Lightning Experience is referred to as Collaborate ". The below solution worked for me. 
User-added image
This was selected as the best answer