We have one project when you load it in the Modern Task Timeline view : you get the error "could not save the view"
Release : 16.0.1
Component : PPMMUI
Reviewing the HAR file from Browser trace indicates an issue with Picklist Contexts where the object code is null for impacted projects. The API call looks like below.
ppm/rest/v1/private/picklistContexts/projectid/picklists?filter=((objectCode+%3D+null)+and+(attributeCode+%3D+%27prstatus%27)+and+(isPicklist+%3D+true)+and+(isActive+%3D+true))
select con.id,con.name, con.code, inv.name, inv.code as inv_codeMSSQL :-
from ODF_PICKLIST_CONTEXTS con, INV_INVESTMENTS inv
where inv.id||'::projects::tasks' = con.CODE
and con.OBJECT_CODE is null
select con.id,con.name, con.code, inv.name, inv.code as inv_code
from ODF_PICKLIST_CONTEXTS con, INV_INVESTMENTS inv
where cast(inv.id as varchar)+'::projects::tasks' = con.CODE
and con.OBJECT_CODE is null