Impossible to extract images

I am trying to get all image links from this website, but for some reason I am not doing it right using SelectorElementClick.

Please help me!

Url: https://digitarq.arquivos.pt/viewer?id=4229369

Sitemap:
{"_id":"anttimagens","startUrl":["https://digitarq.arquivos.pt/viewer?id=4229369"],"selectors":[{"id":"links","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"div#ViewerControl1_FramedPanelViewer_imgViewer","multiple":true,"delay":"3000","clickElementSelector":"#ViewerControl1_TreeViewFilesn0Nodes a.ViewerControl1_TreeViewFiles_0","clickType":"clickOnce","discardInitialElements":"do-not-discard","clickElementUniquenessType":"uniqueText"},{"id":"imagem","type":"SelectorImage","parentSelectors":["links"],"selector":"#ViewerControl1_HyperLinkDownload img","multiple":false,"delay":0},{"id":"linkdaimagem","type":"SelectorLink","parentSelectors":["links"],"selector":"a#ViewerControl1_HyperLinkDownload","multiple":false,"delay":0},{"id":"selectortext","type":"SelectorText","parentSelectors":["links"],"selector":"div#ViewerControl1_FramedPanelViewer_imgViewer","multiple":false,"regex":"","delay":0},{"id":"elementatribute","type":"SelectorElementAttribute","parentSelectors":["links"],"selector":"div#ViewerControl1_FramedPanelViewer_imgViewer","multiple":false,"extractAttribute":"","delay":0},{"id":"selectorhtml","type":"SelectorHTML","parentSelectors":["links"],"selector":"div#ViewerControl1_FramedPanelViewer_imgViewer","multiple":false,"regex":"","delay":0},{"id":"selectorelementatribute","type":"SelectorElementAttribute","parentSelectors":["links"],"selector":"div#ViewerControl1_FramedPanelViewer_imgViewer","multiple":false,"extractAttribute":"","delay":0}]}

A revised version managed to scrape some links. But it suddenly stops after some pages.

{"_id":"anttnovodetesteorealestaabaixo","startUrl":["https://digitarq.arquivos.pt/viewer?id=4229369"],"selectors":[{"id":"links","type":"SelectorImage","parentSelectors":["proxima pagina"],"selector":"<img id="ViewerControl1_FramedPanelViewer_imgViewer_img" src="https://digitarq.arquivos.pt/Controls/vaultimage/?id=DISSEMINATION/D47FAE6938E90E558ACBFC9DEF61BB57&r=0&ww=1000&wh=600" style="position: absolute; left: 0px; top: 0px; width: 100%; height: 100%;" class="">","multiple":false,"delay":"3000"},{"id":"proxima pagina","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"div.Viewer","multiple":true,"delay":"6000","clickElementSelector":"#ViewerControl1_TreeViewFilesn0Nodes a.TreeNode","clickType":"clickOnce","discardInitialElements":"do-not-discard","clickElementUniquenessType":"uniqueText"}]}

Can someone help? I still did not manage to scrap all links.