the ‘scope’ attribute for scoped slots have been deprecated and replaced by ‘slot-scope’ since 2.5

具体信息

(Emitted value instead of an instance of Error) the “scope” attribute for scoped slots have been deprecated and replaced by “slot-scope” since 2.5. The new “slot-scope” attribute can also be used on plain elements in addition to <template> to denote scoped slots.

翻译

（使用值代替错误的实例）（自定义值起）自2.5以来，作用域插槽的“作用域”属性已被弃用，并由“插槽作用域”代替。 除了<template>以外，新的“ slot-scope”属性还可以用于普通元素，以表示作用域的插槽。

解决

将<template>中的scope属性更换为slot-scope