When PyPlanning is opened directly in XML mode (happens when previous session terminates in this mode), the top toolbar is active and actions can be clicked. However, this causes errors directly specific to each action. This is observed for both empty and existing plannings.
When transitioning from the tree views to XML mode, the toolbar actions are deactivated which prevents the error.
Opening pyplanning in XML mode, the toolbar buttons are active:

Then clicking New ressource button in the toolbar:

When PyPlanning is opened directly in XML mode (happens when previous session terminates in this mode), the top toolbar is active and actions can be clicked. However, this causes errors directly specific to each action. This is observed for both empty and existing plannings.
When transitioning from the tree views to XML mode, the toolbar actions are deactivated which prevents the error.
Opening pyplanning in XML mode, the toolbar buttons are active:
Then clicking New ressource button in the toolbar: