** Using WeBWorK **

Next problem:

When creating the admin course, addcourse reports the following
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/opt/webwork/webwork2/bin/addcourse admin --db-layout=sql_single --users=adminClasslist.lst --professors=admin
addcourse: WeBWorK root directory set to /opt/webwork/webwork2
addcourse: WeBWorK server is starting
addcourse: WeBWorK root directory set to /opt/webwork/webwork2 in webwork2/conf/webwork.apache2-config
addcourse: The following locations and urls are set in webwork2/conf/site.conf
addcourse: PG root directory set to /opt/webwork/pg
Use of uninitialized value in print at /opt/webwork/webwork2/bin/addcourse line 123.
addcourse: WeBWorK server userID is
Use of uninitialized value in print at /opt/webwork/webwork2/bin/addcourse line 124.
addcourse: WeBWorK server groupID is
addcourse: The webwork url on this site is http://webwork.2pi.net/webwork2
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These errors appear to be harmless but I am not sure why they appear.