Msg
21531, Level 16, State 1, Procedure
sp_MSmerge_altertrigger, Line 67
The data definition language (DDL) command cannot be
executed at the Subscriber. DDL commands can only be
executed at the Publisher. In a republishing hierarchy,
DDL commands can only be executed at the root Publisher,
not at any of the republishing Subscribers.
Msg 21530, Level 16, State 1, Procedure
sp_MSmerge_ddldispatcher, Line 191
The schema change failed during execution of an internal
replication procedure. For corrective action, see the
other error messages that accompany this error message.
Msg 3609, Level 16, State 2, Procedure mytrig1, Line 10
The transaction ended in the trigger. The batch has been
aborted.