Hello,
There is either missing package or conflcting version in term of version between the version where you developed the package and the Uipath package from the VM where you try to run it.
Please try to instal/reinstall/upgrade excel.activities package
Cheers
Yoichi
Gautham_Pattabiraman
Anil_G
lrtetala
ashokkarale
Angel_Meseguer_piqueras
FINNNNNNNN
kardelencihangir
ayumi.ouchi
Gabriele_Radici