Cannot upload ECOgroup thru DMT

hi all

I would like upload the BOM thru DMT in epicor

step 1 .upload engineering workbench group

Company GroupID Description
FFH A11H-1928D A11H-1928D
FFH A11H-2194E A11H-2194E

step 2. upload part revision

Company PartNum RevisionNum RevShortDesc EffectiveDate Plant
FFH A11H-1928D A A 2017/10/02 MfgSys
FFH A11H-2194E A A 2017/10/02 MfgSys

No error during uploading

result :

can upload the revision no. except the ECO group in part master

image

ECO Group is populated only when the Part is checked out.

okay, thanks!!