hi 

i use odoo15 in my ubuntu server and i had this error when i call every page

Error: QWeb2: Template 'Tip' not found
    at Object.exception (http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:4457:7)
    at Engine._render (http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:4501:103)
    at Engine.render (http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:4497:151)
    at Class.renderElement (http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:5062:775)
    at http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:5072:6
    at async Class.attach_to (http://192.168.1.18:8069/web/assets/112-c13d327/web.assets_common.min.js:5210:986)