Well I just made a CDP from SP3 and installed in TRS2019, it says I have unknown assets. kuid 2:45324:6605:1, 74779:100104, 2:45324:90002:1, 2:45324:25503:2, 2:4532450054:1 and 2:45324:91171:1. Seems to be something with textures I thank cause I have lots of textures errors. Hope this helps.