The COVERED_ADD command can be issued from the system console, running a DBUTLTY COMM function or executing an SQL query (e.g. via DBSQLPR) but fails using all these three methods:
The code related to this command requires that at least one MRDF area already exists, i.e. there was at least one valid VIRTUAL or COVERED card in MUF SYSIN when it was started.
By default, CBS index (IXX006) and IXX and TTM areas of DBID 17 are defined as VIRTUAL areas.
Be sure that the MUF region has been started with at least one COVERED or VIRTUAL card in the Startup Options before using this command.