integrityerror in Executing SQL Statement exec

I am getting the following error from logs of my application

00:02:21 : [SQLDatabases] integrityerror in Executing SQL Statement exec sp_insertHour '<t><xdat><resid>17179</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17181</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17180</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17177</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17178</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17039</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17158</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17159</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17182</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17160</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17157</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat><xdat><resid>17183</resid><statid>152</statid><timeStamp>1315848600</timeStamp><avg>86400.000000</avg><min>86400.000000</min><max>86400.000000</max><count>1</count></xdat></t>', 'tblHour2011255' - [Microsoft][ODBC SQL Server Driver][SQL Server]Violation of PRIMARY KEY constraint 'PK__tblHour2011255__33380113'. Cannot insert duplicate key in object 'dbo.tblHour2011255'. in EXEC

how to fix this error
Error-log.txt