The extension fixes the following errors when installing modifiers:
- The folder is not allowed to write!
- The directory is not writable!
- The directory is not allowed to be written to!
1. Go to the section in "Modules -> Installing extensions", for OpenCart 3 download the archive "localcopy_oc3x.ocmod.zip", for OpenCart 2 - the file "localcopy.ocmod.xml" from the archive of the downloaded file "localcopy_oc2x.zip".
2. Update modifiers. Got to Modules -> Modifications Manager (or Modifiers) and click the Update Modifications button.