Undefined variable: content_type

I get the following error when i do a clean install of drupal.

1. fresh install of drupal 7.4
2. install the following modules one by one

1. entity api
2. entity tokens
3. RDFx
4. Libaries
5. open calais api
6. OpenCalais

I get this message

Array
(
[0] => Anniversary
[1] => CalaisDocumentCategory
[2] => City
[3] => Company
[4] => Continent
[5] => Country
[6] => Currency
[7] => EmailAddress
[8] => EntertainmentAwardEvent
[9] => EventsFacts
[10] => Facility
[11] => FaxNumber
[12] => Holiday
[13] => IndustryTerm
[14] => MarketIndex
[15] => MedicalCondition
[16] => MedicalTreatment
[17] => Movie
[18] => MusicAlbum
[19] => MusicGroup
[20] => NaturalFeature
[21] => OperatingSystem
[22] => Organization
[23] => Person
[24] => PhoneNumber
[25] => Position
[26] => Product
[27] => ProgrammingLanguage
[28] => ProvinceOrState
[29] => PublishedMedium
[30] => RadioProgram
[31] => RadioStation
[32] => Region
[33] => SocialTags
[34] => SportsEvent
[35] => SportsGame
[36] => SportsLeague
[37] => TVShow
[38] => TVStation
[39] => Technology
[40] => URL
)

OpenCalais MetaData Field for City has been successfully created
OpenCalais MetaData Field for City has been successfully created
OpenCalais MetaData Field for City has been successfully created
OpenCalais MetaData Field for City has been successfully created
OpenCalais MetaData Field for Company has been successfully created
OpenCalais MetaData Field for Company has been successfully created
OpenCalais MetaData Field for Country has been successfully created
OpenCalais MetaData Field for Country has been successfully created
OpenCalais MetaData Field for Country has been successfully created
OpenCalais MetaData Field for Country has been successfully created
OpenCalais MetaData Field for Province Or State has been successfully created
OpenCalais MetaData Field for Province Or State has been successfully created
OpenCalais MetaData Field for Province Or State has been successfully created
OpenCalais MetaData Field for Province Or State has been successfully created
The configuration options have been saved.

Error message

Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).
Notice: Undefined variable: content_type in opencalais_create_vocabulary() (line 435 of /home/drupal/public_html/sites/all/modules/opencalais/opencalais.module).