https://userapps.support.sap.com/sap/support/knowledge/en/2938960
2938960 - dbcc orphantables falsely identifies an orphan and can cause 8201 error when dropped -...
If a table was incorrectly identified by dbcc orphantables("drop") as orphaned and is in use, an 8201 might be reported in the ASE errorlog along with a stack...