Transcriptional Replication pull subscriber (initialize from backup ) error

Hi there

i have followed steps in this article

http://msdn.microsoft.com/en-us/library/ms147834.aspx

and when finish open replication monitor: it show error ( Log Reader Agent error)

Agent 'EPAYMENT-DC-2-TestDB-1' is retrying after an error. 374 retries attempted. See agent job history in the Jobs folder for more details.

I have open agent job history and trace error 

"The job field , the job was invoked by User sa. the last step to run was step 1 (Run agent)"

thanks for helping in advance