使用自定义组件，报错Property "$createElement" was accessed during render but is not defined on instance.

[chiyandetaotie]

[Vue warn]: Property "$createElement" was accessed during render but is not defined on instance.

自定义组件已经局部注册了，但一直报警告，如何解决？
注册如下：

[xaboy]

formCreate 版本号是多少