Invalid command ‘RequestHeader’ error occurs in the Linux server due to missing apache modules in our Linux server.
Invalid command 'RequestHeader', perhaps misspelled or defined by a
module not included in the server configurationTo fix this issue, just enable the “headers” module. If you are using Ubuntu just enable the module by running the following command:
sudo a2enmod headersAfter that. Restart apache
service apache2 restart
We’ve seen it happen more than once. A store gets rebuilt using the latest stack,
Too many plugins can quietly slow down your site, weaken security, and cause unexpected errors.
Not long ago, going headless was the upgrade everyone talked about — faster sites, total
For the longest time, WooCommerce wasn’t taken seriously by enterprise brands. It was a WordPress
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Vaid Ali
Jul 18, 2025