Error about needed Object!!

I am getting an object error break between cbostation Abilene and Amarillo! I am not understanding why its stopping here because this is for adding items to a drop down list!!!! This runs after the program to open the form at the beginning of the mxd. Please look and help!

Private Sub UserForm_Initialize()

cboStations.AddItem ("Annual")
cboStations.AddItem ("Urban")
cboDistrict.AddItem ("Abilene")
cboDistrict.AddItem ("Amarillo")
cboDistrict.AddItem ("Atlanta")
cboDistrict.AddItem ("Austin")
cboDistrict.AddItem ("Beaumont")
cboDistrict.AddItem ("Brownwood")
cboDistrict.AddItem ("Bryan")
cboDistrict.AddItem ("Childress")
cboDistrict.AddItem ("Corpus Christi")
cboDistrict.AddItem ("Dallas")
cboDistrict.AddItem ("El Paso")
cboDistrict.AddItem ("Fort Worth")
cboDistrict.AddItem ("Houston")
cboDistrict.AddItem ("Laredo")
cboDistrict.AddItem ("Lubbock")
cboDistrict.AddItem ("Lufkin")
cboDistrict.AddItem ("Odessa")
cboDistrict.AddItem ("Paris")
cboDistrict.AddItem ("Pharr")
cboDistrict.AddItem ("San Angelo")
cboDistrict.AddItem ("San Antonio")
cboDistrict.AddItem ("Tyler")
cboDistrict.AddItem ("Waco")
cboDistrict.AddItem ("Wichita Falls")
cboDistrict.AddItem ("Yoakum")