untagg check msg WCM - WCD

dear team

i have one pop up msg in WCD

once i make untagg for the items msg informing that WCA is still in prep status

i know that before untagging i have to close WCA  but as per our o phisical process that is not possible 

please find the attached image

so i want remove this untagg check msg  , how  ?

thanks and regards