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

While opening WP Toolkit from WHM as root or from cPanel, you may end up with the following error message:

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

The error occurs when one or more of WP Toolkit’s required files are corrupted or missing. Reinstalling the associated packages will fix this error message. Following are the step to resolve this WP Toolkit error on RHEL based and Ubuntu systems:

Steps to resolve “Error: Initial data load error”

1. Login to your server via command line (SSH or “Terminal” in WHM) as the ‘root’ user.

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 it is 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

Now you should be able to access WP Toolkit from WHM or cPanel without any error message.