opencart 3.0 后台installer安装插件的时候如果碰到提示说文件夹无法写入时，可以安装以下插件解决：
https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=31130
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The problem:
With OpenCart 3.0 there is a new filter in the extension installer. If your module uses custom directory names it most likely will fail during install.
Solution:
Install this fix to make the installer allow any directories.
How to install?
1 – Go to extension installer.
2 – Upload the installer_allow_all_directories.ocmod.zip
3 – Go to Extensions / Modifications and click REFRESH
This Step 3 is very important!!!
You should be ready by now.
Hope I saved you the hours I needed for this.
Send me a beer 🙂
