Skip to main content
All CollectionsTroubleshooting and FAQsCommon Issues
How to Fix the pclzip_err_bad_format Error
How to Fix the pclzip_err_bad_format Error

Learn how to check for common issues such as corrupted or incomplete ZIP files, incorrect file structures, or server configuration problems.

Updated over a week ago

Encountering the pclzip_err_bad_format error when uploading a theme in WordPress can be frustrating, as it prevents you from installing and activating your desired theme. This error typically indicates a problem with the ZIP file format or the file structure.

This article will guide you through the steps to diagnose and fix the pclzip_err_bad_format error.

What is the pclzip_err_bad_format Error?

The pclzip_err_bad_format error is a common issue encountered when uploading a theme in WordPress. Here are the most common reasons for this error:

  1. Corrupted ZIP File: The theme ZIP file may be corrupted, incomplete, or damaged during download. This corruption prevents the file from being extracted correctly.

  2. Incorrect File Structure: The ZIP file may not have the correct structure. Sometimes, themes are packaged with an extra directory layer, causing issues during the upload.

  3. Large File Size: The theme ZIP file may exceed your server's maximum upload file size limit. This limitation can lead to incomplete uploads and extraction errors.

  4. Incorrect File Format: The uploaded file may not be in the correct ZIP format. WordPress does not support other compressed formats like RAR or TAR.

  5. Server Configuration Issues: Server settings, such as PHP configuration limits (like max_execution_time, upload_max_filesize, and post_max_size), may not be set to handle large uploads or long extraction times.

  6. Insufficient Permissions: The server or WordPress installation might not have the necessary permissions to write files and directories, preventing the proper ZIP file extraction.

  7. Theme Conflicts: There might be conflicts with existing themes or files already present in your WordPress directory, causing the extraction process to fail.

  8. Incomplete Download: The theme file may not have downloaded completely, resulting in a partial or corrupted ZIP file.

Fix the pclzip_err_bad_format Error

  1. Re-download the Theme: Please make sure you download the theme file again from your Elegant Themes Account.

  2. Verify File Format: Ensure the uploaded file is in ZIP format.

  3. Increase Server Limits: Adjust your server’s PHP configuration settings and increase max_execution_time(recommended value 120), upload_max_filesize(recommended value 64M), and post_max_size(recommended value 64M) to match Divi's requirements.

  4. Use FTP for Large Themes: If the ZIP file is too large to upload through the WordPress dashboard, use FTP to upload the theme manually to the wp-content/themes directory.

  5. Check Permissions: Ensure that your WordPress installation has the correct file and directory permissions to allow for file uploads and extraction

Note: If you are a Mac user and you are using the Safari browser, please check the How to Fix Issues with Downloading ZIP Files in Safari article.

Did this answer your question?