'How can I fix the utf8 characters problem in amp?

In the amp version of my site, Persian language characters are displayed in an incomprehensible way. This problem exists on one server but does not exist on another. Do you need a special extension for it to work properly? enter image description here



Solution 1:[1]

The problem was solved. I was using the instantify plugin. This interference occurs when the ajax option is enabled in the pwa settings.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Amin Moghadas