Hi,
>> Defpoints layer is not frozen
Independent of frozen or not, the layer "Defpoints" is an AutoCAD internal layer and should never be used for your objects (in your drawing the layer "Defpoints" was the current layer, that's not how you should work or with other words one of the worst things you can do in AutoCAD).
Also you have overwritten all VP-settings, also for your paperspace ... that does not make really sense.
In case you have created objects while layer "Defpoints" was active you might see some surprising situations ... did you create the viewports with this layer as active layer?
- alfred -
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Alfred NESWADBA
ISH-Solutions GmbH / Ingenieur Studio HOLLAUS
www.ish-solutions.at ...
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CDay 2026------------------------------------------------------------------------------------
(not an Autodesk consultant)