Snap shot agent error

I get this error when I start the snapshot agent for a publication[code="plain"]Error messages:Message: The SQL command 'sp_MSactivate_auto_sub' had returned fewer rows than expected by the replication agent.Command Text: sp_MSactivate_auto_subParameters: @publication = Rapport_USER_INFO @article = % @status = initiatedStack: at Microsoft.SqlServer.Replication.AgentCore.ExecuteWithResults(CommandSetupDelegate commandSetupDelegate, ProcessResultsDelegate processResultsDelegate, Int32 queryTimeout) at Microsoft.SqlServer.Replication.AgentCore.ExecuteWithResults(CommandSetupDelegate commandSetupDelegate, ProcessResultsDelegate processResultsDelegate) at Microsoft.SqlServer.Replication.Snapshot.TransSnapshotProvider.SetPublisherTranSequenceNumViaAutoSub(PublicationActivationState publicationActivationState, SqlConnection connection) at Microsoft.SqlServer.Replication.Snapshot.TransSnapshotProvider.ActivateCSSPublicationAndSetTranSequenceNums(PublicationActivationState publicationActivationState, SqlConnection connection) at Microsoft.SqlServer.Replication.Snapshot.TransSnapshotProvider.ConcurrentPreArticleFilesGenerationTransaction(SqlConnection connection) at Microsoft.SqlServer.Replication.RetryableSqlServerTransactionManager.ExecuteTransaction(Boolean bLeaveTransactionOpen) at Microsoft.SqlServer.Replication.Snapshot.TransSnapshotProvider.DoConcurrentPreArticleFilesGenerationProcessing() at Microsoft.SqlServer.Replication.Snapshot.TransSnapshotProvider.DoPreArticleFilesGenerationProcessing() at Microsoft.SqlServer.Replication.Snapshot.SqlServerSnapshotProvider.GenerateSnapshot() at Microsoft.SqlServer.Replication.SnapshotGenerationAgent.InternalRun() at Microsoft.SqlServer.Replication.AgentCore.Run() (Source: MSSQLServer, Error number: 55007)[/code]