"Error: Initial data load error: some required fields are not provided" when opening WP Toolkit

Symptoms

When opening WP Toolkit, you encounter the following error message.

Error: Initial data load error: some required fields are not provided

Description

The error occurs when one or more of WP Toolkit's required files are corrupt or missing. Reinstalling the associated packages will correct the error.

Workaround

1. Access the server's command line as the 'root' user via SSH or "Terminal" in WHM.
2. Verify if the plesk-lmlib package is installed.
   • RHEL based systems

     rpm -q plesk-lmlib

   • Ubuntu systems

     dpkg-query -W plesk-lmlib

3. Install plesk-lmlib package if not installed.
   • CentOS 7 or CloudLinux 6/7

     yum install plesk-lmlib

   • AlmaLinux 8/9, CloudLinux 8/9, or Rocky Linux 8/9

     dnf install plesk-lmlib

   • Ubuntu

     apt-get install plesk-lmlib

4. Reinstall the sw-engine and wp-toolkit-cpanel packages.
   • CentOS 7 or CloudLinux 6/7

     yum reinstall sw-engine wp-toolkit-cpanel

   • AlmaLinux 8/9, CloudLinux 8/9, or Rocky Linux 8/9

     dnf reinstall sw-engine wp-toolkit-cpanel

   • Ubuntu

     apt-get install --reinstall sw-engine wp-toolkit-cpanel