Check the location and make sure there is no mismatch between the sample sheet parameters and the run parameters.

Make sure the sample sheet is saved in a location ICS can access, and navigate to that location.

Make sure there is no mismatch between the sample sheet parameters and the run parameters. For example, if the run format or custom primer settings are different, ICS cannot select the sample sheet.

Correct the sample sheet using the information in How Do I Create a Sample Sheet?.