Skip to content
  • Contact us: +34 944 58 06 58
  • Plesk Partner Program
  • Plesk Lifecycle Policy
  • Blog
  • Contact us
  • Plesk 360
  • Contact us: +34 944 58 06 58
  • Plesk Partner Program
  • Plesk Lifecycle Policy
  • Blog
  • Contact us
  • Plesk 360
  • Solutions
    By Role
    • Developers
    • Content Managers
    • Digital Agencies
    • IT Admins
    • Web Hosters
    • Hyperscalers
    • Developers
    • Content Managers
    • Digital Agencies
    • IT Admins
    • Web Hosters
    • Hyperscalers
    By Edition
    • Web Admin Edition
    • Web Pro Edition
    • Web Host Edition
    • Business & Collaboration
    • Plesk WP Edition
    • Web Admin Edition
    • Web Pro Edition
    • Web Host Edition
    • Business & Collaboration
    • Plesk WP Edition
    By Cloud
    • Amazon Web Services
    • Microsoft Azure
    • Alibaba Cloud
    • GCP Marketplace
    • Vultr
    • DigitalOcean
    • Linode
    • UpCloud
    • Amazon Web Services
    • Microsoft Azure
    • Alibaba Cloud
    • GCP Marketplace
    • Vultr
    • DigitalOcean
    • Linode
    • UpCloud
    Partner Program
    Exclusive discounts, benefits and exposure to take your business to the next level
    Become a partner
    • By Role
      • Developers
      • Content Managers
      • Digital Agencies
      • IT Admins
      • Web Hosters
      • Hyperscalers
    • By Edition
      • Web Admin Edition
      • Web Pro Edition
      • Web Host Edition
      • Business & Collaboration
      • WP Edition
    • By Cloud
      • Amazon Web Services
      • Microsoft Azure
      • Alibaba Cloud
      • GCP Marketplace
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
    • Partner Program
      • Partner Program
  • Product
    Explore Features
    • Everyone
    • Admins & Web Hosters
    • Developers
    • Designers & Agencies
    • Plesk Features
    • Everyone
    • Admins & Web Hosters
    • Developers
    • Designers & Agencies
    • Plesk Features
    Key Topics
    • SocialBee
    • WP Toolkit
    • Sitejet Builder
    • SEO Toolkit
    • Joomla! Toolkit
    • Plesk Premium Email
    • Plesk Email Security
    • SocialBee
    • WP Toolkit
    • Sitejet Builder
    • SEO Toolkit
    • Joomla! Toolkit
    • Plesk Premium Email
    • Plesk Email Security
    Feature Packs
    • Business & Collaboration
    • WP Pack
    • Hosting Pack
    • Power Pack
    • Language Pack
    • Business & Collaboration
    • WP Pack
    • Hosting Pack
    • Power Pack
    • Language Pack
    Featured Extension
    SocialBee
    • Explore Features
      • Everyone
      • Admins & Web Hosters
      • Developers
      • Designers & Agencies
      • Plesk Features
    • Key Topics
      • SocialBee
      • WP Toolkit
      • Sitejet Builder for Plesk
      • SEO Toolkit
      • Plesk Premium Email
      • Plesk Email Security
    • Feature Packs
      • Business & Collaboration
      • WP Pack
      • Hosting Pack
      • Power Pack
      • Language Pack
    • Featured Extension
      • Extension
  • Pricing
  • Extensions
  • Help Center
  • More
    • Careers
    • Events
    • Plesk University
  • FREE TRIAL
  • Solutions
    • By Role
      • Developers
      • Content Managers
      • Digital Agencies
      • IT Admins
      • Web Hosters
      • Hyperscalers
    • By Edition
      • Web Admin Edition
      • Web Pro Edition
      • Web Host Edition
      • Business & Collaboration
      • WP Edition
    • By Cloud
      • Amazon Web Services
      • Microsoft Azure
      • Alibaba Cloud
      • GCP Marketplace
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
    • Partner Program
      • Partner Program
  • Product
    • Explore Features
      • Everyone
      • Admins & Web Hosters
      • Developers
      • Designers & Agencies
      • Plesk Features
    • Key Topics
      • SocialBee
      • WP Toolkit
      • Sitejet Builder
      • SEO Toolkit
      • Joomla! Toolkit
      • Plesk Premium Email
      • Plesk Email Security
    • Feature Packs
      • Business & Collaboration
      • WP Pack
      • Hosting Pack
      • Power Pack
      • Language Pack
    • Featured Extension
      • SocialBee
  • Pricing
  • Extensions
  • Help center
  • More
    • Careers
    • Events
    • Plesk University
    • Blog
    • Plesk Partner Program
    • Contact Us
  • FREE TRIAL
  • Solutions
    • By Role
      • Developers
      • Content Managers
      • Digital Agencies
      • IT Admins
      • Web Hosters
      • Hyperscalers
    • By Edition
      • Web Admin Edition
      • Web Pro Edition
      • Web Host Edition
      • Business & Collaboration
      • WP Edition
    • By Cloud
      • Amazon Web Services
      • Microsoft Azure
      • Alibaba Cloud
      • GCP Marketplace
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
    • Partner Program
      • Partner Program
  • Product
    • Explore Features
      • Everyone
      • Admins & Web Hosters
      • Developers
      • Designers & Agencies
      • Plesk Features
    • Key Topics
      • SocialBee
      • WP Toolkit
      • Sitejet Builder
      • SEO Toolkit
      • Joomla! Toolkit
      • Plesk Premium Email
      • Plesk Email Security
    • Feature Packs
      • Business & Collaboration
      • WP Pack
      • Hosting Pack
      • Power Pack
      • Language Pack
    • Featured Extension
      • SocialBee
  • Pricing
  • Extensions
  • Help center
  • More
    • Careers
    • Events
    • Plesk University
    • Blog
    • Plesk Partner Program
    • Contact Us
  • FREE TRIAL

Knowledge Base

WordPress instance in Plesk is marked as broken: Warning: require_once(): open_basedir restriction in effect

 
2022applications extensionscachedomainsextensions

Symptoms

  • The WordPress instance is marked as broken in Plesk > WordPress > example.com. The error is

    ERR [extension/wp-toolkit] Failed to reset cache for the instance #1, reason:
    Warning: require_once(): open_basedir restriction in effect. File(C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-clivendorwp-cliwp-cliphpboot-fs.php) is not within the allowed path(s): (C:/Inetpub/vhosts/example.com;C:WindowsTemp) in C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-cliwpt-wp-cli.php on line 31

    Warning: require_once(C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-clivendorwp-cliwp-cliphpboot-fs.php): Failed to open stream: Operation not permitted in C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-cliwpt-wp-cli.php on line 31

    Fatal error: Uncaught Error: Failed opening required 'C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-cli/vendor/wp-cli/wp-cli/php/boot-fs.php' (include_path='.;.includes;.pear') in C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-cliwpt-wp-cli.php:31
    Stack trace:
    #0 {main}
    thrown in C:Program Files (x86)PleskAdditionalmoduleswp-toolkitwp-cliwpt-wp-cli.php on line 31

  • It's not possible to install WordPress with the same error.

Cause

Product issue:

  • #EXTWPTOOLK-9045 "WordPress can now be installed if PHP 8.1 is used."

    Fixed in:

    • WP Toolkit 5.10.2 15 April 2022 (Windows)

Resolution

Please consider updating your server:

  • How to update Plesk extensions

Workaround

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

workaround

As a Workaround:

  1. Log into Plesk.
  2. Switch PHP version from 8.1. to 8.0 in Domains > example.com > PHP Settings and apply changes.
  3. Go back to WP Toolkit > example.com > Refresh WordPress Instance.
Tweet
Share
Share
Email
0 Shares
Read the full article
Related Posts

Exploring Plesk’s Added Value Solutions So Far in 2023

Read More »

Unveiling Sitejet Builder: The Perfect Match for Your Effortless Website Creation Needs

Read More »

Dynamic List vs. Active List: A Comprehensive Comparison – Unveiling the Ultimate Winner!

Read More »
Knowledge Base

WP Toolkit Cloning hangs or stops after 60 seconds on a Plesk server

Read More »

Can’t install plugin via WP Toolkit: destination folder already exists

Read More »

Different actions in WP Toolkit fail with the error: Argument #1 ($callback) must be a valid callback, array must have exactly two members

Read More »

Unable to clone WordPress instance in WP Toolkit : PHP Fatal error: Uncaught Error: Class “WP_Upgrader_Skin” not found

Read More »

Hosting Wiki

  • Django
  • CLI
  • Server Redundancy
  • CacheFly
  • Google Cloud CDN
  • AMP
  • Bare Metal Server
  • PhpMyAdmin
  • phpPgAdmin
  • Oracle VM Server
  • Server Virtualization Software
  • Windows Server
  • PHP
  • MongoDB
  • Joomla! Toolkit
  • Domain
  • WP Toolkit
  • WordPress
  • Plesk
  • Web Server
  • DNS Server

Industry
Partners

industry-partner_ALIBABA
industry-partner_GOOGLEPARTNER
industry-partner_MICROSOFT
industry-partner_REDHAT-r2
industry-partner_ALIBABA
industry-partner_AUTOMATTIC
industry-partner_AWS
industry-partner_DIGITALOCEAN
industry-partner_SCALEWAY
Follow us:
Facebook Twitter Linkedin Youtube Github

COMPANY

About Plesk
Our Brand
Legal
Careers
Impressum

PRODUCT

Pricing 
Extensions
What’s new

KNOWLEDGE BASE

Documentation
Help Center
Migrate to Plesk
Contact Us
Hosting Wiki
Preview releases

PROGRAMS

Contributor Program NEW
Partner Program
Affiliate ProgramNEW

COMMUNITY

Blog
Forums 
Plesk University

First defaul

Company

About Plesk
Our Brand
Legal
Careers
Impressum

PRODUCT

Pricing 
Extensions
What’s new

KNOWLEDGE BASE​

Documentation
Help Center
Migrate to Plesk
Contact Us
Hosting Wiki
Preview releases

PROGRAMS​

Contributor Program NEW
Partner Program
Affiliate ProgramNEW

COMMUNITY​

Blog
Forums
Plesk University

Follow us:
Facebook Twitter Linkedin Youtube Github

© 2025 WebPros International GmbH. All rights reserved. Plesk and the Plesk logo are trademarks of WebPros International GmbH.

Managed with love with Plesk WP Toolkit