Laravel5.4 is a popular PHP framework that provides many powerful features and tools that allow developers to build high-quality web applications quickly and easily. However, during the development process, we will inevitably encounter some errors. In this article, we will explore common error messages in Laravel 5.4 and how to resolve them.

1. NotFoundHttpException

This is one of the most common errors in Laravel5.4. It means that the requested page or route cannot be found. Reasons for this error may include:

• Wrong URL or route name
• The route is not defined or not registered
• The GET or POST request method is not defined
• The corresponding method is not defined in the controller

Solution:

• Check whether the URL or route name is correct
• Make sure the route has been Define and register, and use the correct request method (GET or POST)
• Define the appropriate method in the controller

2. MethodNotAllowedHttpException

This is another common error that indicates that the wrong request method is used. Reasons for this error may include:

• Wrong request method
• The request method used is not defined for the route

Solution:

• Make sure you use the correct request method (GET, POST, PUT or DELETE)
• Make sure the route has defined the request method used

3. InvalidArgumentException

This error indicates that the parameters passed to the function or method are invalid. Reasons for this error may include:

• Passing the wrong parameter type or format
• Not passing the required parameters

Workaround:

• Make sure you pass the correct parameter type and format
• Make sure you pass all required parameters

4. QueryException

This Is a database exception indicating that an error occurred while executing a database query. Reasons for this error may include:

• Invalid SQL query statement
• Database connection failure
• Database table or column does not exist
• Database Insufficient operation permission

Solution:

• Check whether the SQL query statement is correct
• Ensure the database connection is normal
• Ensure the operating database Tables and columns exist
• Check whether data operation permissions are sufficient

5. TokenMismatchException

This error indicates that Laravel5.4csrf token check failed. Reasons for this error may include:

• The csrf token was not included in the form submitted by the request
• The csrf token has expired or is invalid

Solution Method:

• Make sure you include a valid csrf token in the submitted form
• Make sure the token is not expired or invalid

Summary

During the development process of Laravel5.4 application, we may encounter various errors. It is important to understand the causes of these errors and how to resolve them. This article lists some common error message prompts and corresponding solutions, hoping to help you better solve problems and improve development efficiency.

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