tp5 teaching management practice, click the login button to report an error, please give me the answer

Question

tp5 Teaching Management Actual Click on the Login Button to Report an Error

Failed to load resource: the server responded with a status of 500 (Internal Server Error) /index/user/checklogin.html

Click on the following address to display the error as follows

[0] InvalidArgumentException in Response.php line 318

variable type error: array

Answer 1

No data is returned from the server. Please check the login verification method in your controller. It is possible that the request data is not obtained. You can breakpoint debugging in the method, or write the return data to the console for viewing on the front end: console.log(data).