You can search for an EFT Bank Transfer by selecting the station, notice #, settlement date and more. You can use one or all of these search criteria to perform your search, however using more criteria will narrow down the results you get speeding up the time it takes to find what you are looking for.
S2k imports a lot of data from your oil company website and sometimes that data comes over with incorrect information and will not post to QuickBooks. To ascertain the issue, first see which day and transaction is causing the problem by looking at the error given by QuickBooks. Once this is determined go to the EFT Bank Transfer under the switchboard:
In this case the description should have been Maintenance and this was changed as shown below: