Mike,
This warning is just to notify the first command you ran is generic and needs to specific with the procedure name to check and its ambiguity.
you can proceed with dbcc upgrade_object ("db", procname) with force will upgrade forcing the procedure
Syntax Says:
dbcc upgrade_object [ ( dbid | dbname
[, ['database.[owner].]compiled_object_name' |
'check' | 'default' | 'procedure' | 'rule' |
'trigger' | 'view'
[, 'force' ] ] ) ]
PS: Check Option added recently
Syntax says you should either force or check the status
Regards
Kiran K Adharapuram