How to resolve the error {“header”:{“status”:{“code”:”Error”},”message”:”cannot read property \”type\” from undefined”,”extra_data”:{},”error_code”:”TypeError”}}

When we navigate to the extension we get the error as shown below

Solution:

Customization-> List,records and field–>Record types–> SC extension Activation ->list

If we get any error extension we’ve to go to the record types

And in here check the list
And make the activation record as FINISHED if it’s showing as error.