camera-rig-invalid

A camera's rig, output, texture or blendIn cannot work: a following rig with no target, viewport without output: "viewport" or the reverse, a rectangle outside the window or with no area, texture without output: "texture" or the reverse, a texture size outside 16 to 4096 pixels a side, a refresh outside (0, 240] a second or a near that is not above 0, an overlay, viewport or texture camera that is primary, a negative blend time.