Question: TypeError: Cannot read property 'setValidInit' of undefined means that the property "setValidInit" of undefined cannot be read.
Error reporting operation: This kind of error reporting will appear every time you click on the page applet page. . .
Solution: This is a problem with the 2.27.3 version of the basic library, and it will be normal if it is changed to 2.29.2.
The above operations can be solved.