errors_and_solutions.md

#Errors and Solution for Clearance gem

1. ActiveRecord::StatementInvalid in SessionsController#create_from_omniauth Could not find table 'authentications' authentication = Authentication.find_by_provider_and_uid(auth_hash["provider"], auth_hash["uid"]) || Authentication.create_with_omniauth(auth_hash)

   Solution: create authentication table with uid,token and provider column

2. NoMethodError in SessionsController#create_from_omniauth undefined method `friendly_name=' for #User:

   Solution: add friendly_name column to users table

3. NoMethodError in SessionsController#create_from_omniauth undefined method `picture =' for #User:

   Solution: add picture column to users table

4. NoMethodError in SessionsController#create_from_omniauth undefined method `friendly_name =' for #User:

   Solution: add friendly_name column to users table

5. NoMethodError in SessionsController#create_from_omniauth undefined method `last_name =' for #User:

   Solution: add last_name column to users table

6. ActiveModel::MissingAttributeError in SessionsController#create_from_omniauth can't write unknown attribute `user_id

   Solution: add user_id column to authentications table