https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279744#M9764 I think, the migration library is only loaded, if AC needs it.<BR /> If all library parts from AC 18 have an equivalent in AC 19, the migration library is not needed. All AC 18 will be replaced by its AC 19 equivalents.<BR /> Migration library parts are only needed, if there are a few objects that have no equivalents. Sun, 28 Jun 2015 15:55:53 GMT Jochen Suehlo 2015-06-28T15:55:53Z https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279743#M9763 <DIV class="actalk-migrated-content"><T>Good Day All<BR /> <BR /> I'm trying to migrate a project from AC18 to AC19 but the AC18 migration library will not load.<BR /> I followed all the steps with the migration assistant but when I open the library manager only the AC19 library is loaded. is there anyway to solve this?</T></DIV><BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/37153i26E406F866837289/image-size/large?v=v2&amp;px=999" border="0" alt="Screen Shot 2015-06-28 at 08.56.06.png" title="Screen Shot 2015-06-28 at 08.56.06.png" /> Sun, 28 Jun 2015 14:58:00 GMT https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279743#M9763 Bobby_ja_tt 2015-06-28T14:58:00Z https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279744#M9764 I think, the migration library is only loaded, if AC needs it.<BR /> If all library parts from AC 18 have an equivalent in AC 19, the migration library is not needed. All AC 18 will be replaced by its AC 19 equivalents.<BR /> Migration library parts are only needed, if there are a few objects that have no equivalents. Sun, 28 Jun 2015 15:55:53 GMT https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279744#M9764 Jochen Suehlo 2015-06-28T15:55:53Z https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279745#M9765 Your image shows that there are 0 objects used from the ArchiCAD Migration Libraries. So yes, perhaps they have no equivalent upgrade? You may need to manually replace those 62 objects with ArchiCAD 19 versions?<BR /> <BR /> Cheers,<BR /> Link. Sun, 28 Jun 2015 17:41:50 GMT https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279745#M9765 Link 2015-06-28T17:41:50Z https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279746#M9766 many thanks Mon, 29 Jun 2015 15:32:49 GMT https://community.graphisoft.com/t5/Libraries-objects/Library-migration-from-AC18-to-AC19/m-p/279746#M9766 Bobby_ja_tt 2015-06-29T15:32:49Z