Cant pan or rotate scene

Unity Engine
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1

In my current project I am no longer able to pan or rotate the scene using mouse. When I press and hold RMB, the options/context panel is opened for the item selected in the hiarchy (as it would with simply pressing RMB). The middle mouse button does essentially nothing.

This is only affecting my current project, but sadly I don’t know when it started so it is hard to revert back to an older version of the project.

Also the Orientation setting is not locked, as it can be changed using the axis arrows.

3
  1. As mentioned, the padlock is not locked, as I can change perspective with the orientation arrows
  2. The functionality works just fine in other Unity projects, so its not a mouse issue
  3. Not certain about the input settings re-seting, could you be more specific where these settings are located?
  4. Have yet to find this specific issue mentioned, and fixed for other:

Just noticed another thing, I cannot select any objects that are in the scene, only by clicking on them in the hierarchy they can be selected