If you receive one of the messages below after transmitting WACM, you will have fulfilled your obligation to transmit the warehouse arrival.
ER 01 – No CCN on file
ERC 02 – No transaction on file
ERC 34 – Request ID already in arrived Status
Below is a list of other responses you may receive.
Source: https://www.cbsa-asfc.gc.ca/eservices/error-erreur-eng.html
English 
Chinese (China) 
Chinese (Hong Kong) 
French 
German 
Italian 
Japanese 
Portuguese 
Romanian 
Slovak 
Spanish (Colombia) 
Spanish (Chile) 
Spanish (Ecuador) 
Spanish (Mexico) 