odoo.addons.base.models.ir_qweb.QWebException: Error while render the template

UndefinedFunction: function unaccent_schema.unaccent(unknown, text) does not exist

LINE 2:                 SELECT unaccent_schema.unaccent('unaccent_sc...

                               ^

HINT:  No function matches the given name and argument types. You might need to add explicit type casts.

QUERY:  

                SELECT unaccent_schema.unaccent('unaccent_schema.unaccent', $1)

CONTEXT:  SQL function "unaccent" during inlining

Template: web.frontend_layout

Path: /t/html/head/t[1]

Node: