The xml report contains information about the spool and its members and also about elements for which no spool can be created.
<SpoolForecastList>
<SpoolList>
<Spool LineID = "Piping Line ID_01" Mode = "Preliminary design" Number = "2" Name = "Spool-1">
<Member>
<Instance Name = "Rigid Pipe instance_221"/>
<Structure Path = "\Test_System_002 A.1\Rigid Pipe instance_221"/>
</Member>
<Member>
<Instance Name = "Rigid Pipe instance_222"/>
<Structure Path = "\Test_System_002 A.1\Rigid Pipe instance_222"/>
</Member>
</Spool>
<Spool LineID = "Piping Line ID_02" Mode = "Preliminary design" Number = "2" Name = "Spool-2">
<Spool LineID = "Piping Line ID_02" Mode = "Preliminary design" Number = "5" Name = "Spool-3">
<Spool LineID = "Piping Line ID_02" Mode = "Preliminary design" Number = "5" Name = "Spool-4">
<Spool LineID = "Piping Line ID_02" Mode = "Preliminary design" Number = "5" Name = "Spool-5">
<Spool LineID = "Piping Line ID_02" Mode = "Preliminary design" Number = "6" Name = "Spool-6">
</SpoolList>
<Listofotherparts>
<ListofSingleElements>
<Member Name = "Rigid Pipe instance_226"/>
<Member Name = "Piping Cap instance_41"/>
</ListofSingleElements>
</Listofotherparts>
</SpoolForecastList>