The error is something like this:

2014-03-27 18:45:03.262 sp_MSget_repl_commands timestamp returned: 0x0x0000017d00007ef0000345000000, 5, local rowcount: 5

2014-03-27 18:45:03.265 sp_MSget_repl_commands timestamp value is: 0x0x0000017d00007ef0000300000000

2014-03-27 18:45:03.450

42000 The row was not found at the Subscriber when applying the replicated command. 20598

2014-03-27 18:45:03.452

42000 The row was not found at the Subscriber when applying the replicated command. 20598

2014-03-27 18:45:03.453

42000 The row was not found at the Subscriber when applying the replicated command. 20598

2014-03-27 18:45:03.455

42000 The row was not found at the Subscriber when applying the replicated command. 20598

2014-03-27 18:45:03.456

42000 The row was not found at the Subscriber when applying the replicated command. 20598

2014-03-27 18:45:03.457

Failed command = {CALL [sp_MSupd_dboRM_ENTITLEMENT_OB_RESULT] (,?,,,,,?,?,0x42)} {CALL [sp_MSupd_dboRM_ENTITLEMENT_OB_RESULT] (,?,,,,,?,?,0x42)} {CALL [sp_MSupd_dboRM_ENTITLEMENT_OB_RESULT] (,?,,,,,?,?,0x42)} {CALL [sp_MSupd_dboRM_ENTITLEMENT_OB_RESULT]

The thing is I don't know how the replication has been setup. It was already done in the past and the guy is not here anymore and we don't have any information about this. 🙁