SAP Message 8Z111 - No index values exist for & & & or for next and previous dates (&)

Diagnosis The system is looking for an index value for this date. System_response The system cannot calculate inflation adjustment without this value. What_to_do Please maintain this index and make an entry for this date or for a previous or next date . Example If you are maintaining index values per month, enter the value for the last day of the month of this date. If you maintain the index in a different base you can enter a value for the date that appears in the error message or for the next day that you want to maintain. i.e. Maintainance of the index in a weekly base .......... . ............. ... .......... . ............. ... 1997.06.01 X 1.230.340.280 ... 1997.06.08 X 1.430.825.322 ... 1997.06.15 X 1.490.424.121 ... If the system send a message like : No index value exist for index ... or for next and previous dates(1997.06.20). Please add an entry for 1997.06.22 . Note : if for an index there is not a value for a specific date, the index must have values for a previous and for a next date, to make an index for this period of time with the assumption that the inflation is constant inside this period.