Marketo Bulk Import lead API throws error "Lookup field 'linkedInId' not found"
I am sending the below API call
curl --location 'https://585-AXP-425.mktorest.com/bulk/v1/leads.json?lookupField=linkedInId' \
--form 'format="csv"' \
--form 'file=@"/Users/XXX/Desktop/test copy.csv"' \
--form 'access_token="XXXXXX-9f9c-41bf-b476-9999XXXXd88:ab"'
And My csv file contains below dummy data :
Email,FirstName,LastName,LinkedInID
john.doe@example.com,John,Doe,123456789
jane.smith@example.com,Jane,Smith,987654321
But I am getting error: