Invalid byte received, UTF-8 encoding will be disabled. Please force select UTF-8 encoding in Site Manager.

When using FileZilla software to connect to ftp, this error appears.
Received invalid bytes, UTF-8 encoding will be disabled. Please force UTF-8 encoding in Site Manager.

Solution:

As shown in the image, in the site settings, check “Force UTF-8”.

In addition, when uploading, the error 451 No mapping for the Unicode characte appears, as shown in the image

Or as shown in the following image:

The solution is also to check “Force UTF-8”