After upgrading umbraco to v7.0.2 ublogsy has stopped working.

Installing uBlogsy v4 is resulting in the below error:

Sequence contains no elements

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: Sequence contains no elements

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidOperationException: Sequence contains no elements] System.Linq.Enumerable.First(IEnumerable1 source) +514 Umbraco.Core.Persistence.Repositories.LanguageRepository.PerformGet(Int32 id) +273 Umbraco.Core.Persistence.Repositories.RepositoryBase2.Get(TId id) +123 Umbraco.Core.Persistence.Repositories.DictionaryRepository.PerformGet(Int32 id) +751 Umbraco.Core.Persistence.Repositories.RepositoryBase2.Get(TId id) +123 Umbraco.Core.Persistence.Repositories.

Any assistance would be much appreciated, Thank you.