1) You need special version od MetaServer: MetaServer RT 3.2 for IB
2) The version 2.0 of MetaServer for DDE (which is on your screen) is 10-years old and isn't supported anymore.
It is easy: if you use the symbology other than GlobalServer native (for example ESZ2 instead of ES Z2) you'll get that error when you import XPO file. The solution is to update GS Symbol dictionary adding absent symbols there.
Remember also that Symbol+Data feed+Exchange+Category must be the...