Error when compiling AST
SyntaxError: unexpected EOF while parsing (<unknown>, line 1)
Template: web.frontend_layout
Path: /t/html/head/title
Node: <title t-esc="&#x41E;&#x43D;&#x43B;&#x430;&#x439;&#x43D; &#x445;&#x438;&#x447;&#x44D;&#x44D;&#x43B;"/>

I've edited web editor with odoo 13 courses page then i get this message. Now i can't edit course page title where i find this html... Please help and forgive my english