User defined field name changed
I'm working for a chemical company in Germany with different site locations. We all use Primavera P6 to plan our turnarounds.
A strange thing happened yesterday. Suddenly we noticed after logging in that a user defined field which we have created at the start, named "X", now has a different name, "Example_2017_X".
My colleague and I are sure that we haven't changed this UDF, so who has ?
Can I see somewhere who has created or changed UDF in a logbook ?