iMovie 10.4.3 not showing images from Photos 10.0 or movies from Music 1.5.2.56

My iMovie 10.4.3 does not show images from Photos 10.0 or movies from Music 1.5.2.56 when using the project facility. When selecting Libraries-Photos or Audio & Video Music all I get is a blank! Using Mac Mini with Sequoia 15.3.1. Not sure when this started - possibly with upgrade to Sequoia. Hope somebody can help which will be appreciated.

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