SAP Message /ISIDEX/EEDMSET003 - You cannot change data outside of the CI include

Diagnosis
You have made changes to data outside of the Customer Includes. This isnot permitted.
INCLUDE ISU_VERARB OBJECT DOKU ID TX

Procedure
Change the logic in method FILL_CI_INCLUDE of BAdI /ISIDEX/SETTLPODLIST,so that no changes can be made to the original data. Changes are onlypermitted within the Customer Include.
Make sure that the sorting of the table is not changed.