snapmirror replication transfer failed to complete while doing update

Hi,

I tried to update snapmirror manually/conf entry also, after 500MB data transffered got below error. Please help me to fix this.

Tue MayTue May 10 09:57:28 GMT [ 10 09:n9204:replication.dst.err:error]: SnapMirror: destination transfer from Filername:volA to destVolA : replication transfer failed to complete.
57:28 GMT [filername:replication.dst.err:error]: SnapMirror: destination transfer from Filername:volA to destVolA : replication transfer failed to complete.

I have cross verified allow,access file everything okay. Apart from this particular replication all snapmirrors are working.