Diagnosis
You are using your cursor to go through a list of periods and have cometo a period for which there is no statistical data on the MONIperformance database (or for which statistical data no longer exists).If statistical data used to be in the database, it was probably deletedduring data reorganization.

Procedure
To increase the data residence time call Transaction ST03 and chooseGoto -> Parameters. Then choose Edit parameters -> Modifyparameters. Change the residence time and save your entries bychoosing Edit -> Save changes.