There has been an error processing your request, Error log record number

Go to magento/var/report and open the file with the Error log record number name i.e 673618173351 in your case. In that file you can find the complete description of the error.

For log files like system.log and exception.log, go to magento/var/log/.

link : http://stackoverflow.com/questions/15473705/there-has-been-an-error-processing-your-request-error-log-record-number