In this blog post, you’ll learn more about the Sybase Error Cannot perform DDL command now on table %2 as a DDL command is already in progress on that table. %1 and the reason for receiving this error
Sybase SQL Error Message
Cannot perform DDL command now on table %2 as a DDL command is already in progress on that table. %1
Reason for this Error
There is already a DDL command in progress at the moment on the table specified and you must wait until it is finished before starting another DDL command on that table.