When setting up capitalization options on a project type, you have decided to enable the...

 If the Require Complete Asset Definition option is enabled on a project type, the “Transfer Assets to Oracle Fusion Assets” process will place asset lines with complete definition into the Hold queue in Oracle Fusion Assets. This queue holds the asset lines that require manual review and approval before they can be posted to the asset register. Asset lines with incomplete definition will be placed into the Error queue in Oracle Fusion Assets. This queue holds the asset lines that have errors or missing information that need to be corrected before they can be transferred to the Hold queue. Reference:https://docs.oracle.com/en/cloud/saas/project-portfolio-management/20c/oapfm/manage-project-assets.html#OAPFM2356041