SAP Message AH878 - Operand &1 season &2 valid from &3 valid to &4: possible to overwrite

Diagnosis
The specified operand is to be updated to the installation facts. Thisupdate would result in an overlapping of existing facts, which wouldgenerate an error in most cases.
It is only possible to overlap values if the function module
bapi_utilinstallation_chanfact is called with the indicator UPDFORCE= "X". Check if this is what you wish to do.