Site: Western UnionTechnical problem Add new comment Comments error code C9999Tried for 4 days to wire funds to China. Have tried WU.com and WU app. Even went to local WU location 3 days. Same error code reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted W8REZt Enter the code above * Enter the code without spaces.