I believe if you loaded the wMEDI module 4.6 recently on Integration Server4.6 you need to restart the whole server and also you have to make sure that all the EDI package versions related to TN Server (including wMEDIforTN package)and TN server version must match with your EDI module version4.6 since there are some dependencies to the EDI 4.6 packages and servers.
So finally the bottom line is sync check on your webMethods environment,it must now look like below versions.
IS4.6
TNServer4.6
wmEDI4.6
wmEDIforTN4.6
wmEDISamples4.6
By this you can avoid those tnspace exceptions.
sorry if i am wrong…
Cheers.
#webMethods#Integration-Server-and-ESB#Adapters-and-E-Standards