Unable to publish a website, restore/download a snapshot or upload an image in Web Presence Builder for Plesk Obsidian 18.0.40 on Windows

Symptoms

• Plesk for Windows has been updated to Obsidian 18.0.40.

• it is not possible to publish pages other than the index page in Web Presence Builder.

• In an attempt to restore a snapshot in Web Presence Builder, the operation fails:

  [EMERG] /sitebuilder/JsonApi/ Base_Target_Exception: Cannot read non existing file 'data/snapshots/'.
  file: C:Program Files (x86)ParallelsPlesksbincludeSBExtensionPPTarget.php

• In an attempt to download a snapshot in Web Presence Builder, the operation fails:

  File: C:Program Files (x86)ParallelsPleskadminplibServiceAgent.php; Line: 196
  Message: filemng failed: Access is denied. (Error code 5) at Unable to create file 'C:Inetpubvhostsexample.comdatasnapshots' at (RunTime::File::create line 1264) at execute "C:Program Files (x86)ParallelsPleskadminbinfilemng" johndoe base64 C:Inetpubvhostsexample.com/data/snapshots/(RunTime::RunAsUser::run line 214) (Error code 1); Code: 0

• When uploading images using the Image Gallery in Web Presence Builder, images are uploaded to the document root folder instead of the images folder. As a result, images fail to load on the website with a 404 Not Found error.

Cause

Resolution

Workaround

If update is not possible for some reason you may try the following