While updating triggers, i'm getting 'Object is immutable and cannot be changed' error

[arun333mech]

I have exported all the triggers. After exporting, when i try to update the triggers i'm getting below error

Error: #1900068: exec program failed System Error: #5000001: Error: #1900068: mod business object failed Error: #1501800: Object is immutable and cannot be changed

It is only for 2 triggers EntityLocationControl & RelationLocationControl of type 'eService Trigger Program Parameters'