2760560 - Event reason import- Retroactive change of event reason with effective start date is not permitted at imports

We get similar error as below when we try to import event reason foundation object: Retroactive change of event reason ABC with effective start date 1900-01-01 is not permitted at imports.

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

Employee Central - Foundation Object import

 Retroactive change of event reason with effective start date is not permitted at imports, retroactive event reason, retroactive foundation object import. , KBA , LOD-SF-EC-FOO , Foundation Objects (Organisation, Pay and Job Structures) , LOD-SF-EC , Employee Central , Problem