SQLSTATE[HY000]: General error: 1364 Field 'column_name' doesn't have a default value

SQLSTATE[HY000]: General error: 1364 Field 'column_name' doesn't have a default value
The error message "SQLSTATE[HY000]: General error: 1364 Field 'column_name' doesn't have a default value" typically indicates that you're trying to insert a record into a MySQL database table without providing a value for a column that doesn't have a default value defined. To resolve this error, you can follow these steps:

Check the Affected Column:
Identify which column is causing the error. The error message should mention the column name ("column_name" in the example you provided).

Provide a Default Value:
If the column allows NULL values and doesn't have a default value, you can provide a default value when inserting records. In your SQL query, explicitly set a value for the column, even if it's NULL.

Example:

sql

INSERT INTO your_table (column1, column2, column_name) VALUES ('value1', 'value2', NULL);

Update Table Schema:
If the column is not supposed to be NULL and doesn't have a default value, you can update the table schema to add a default value or modify the column to allow NULL values.

To add a default value:

sql

ALTER TABLE your_table MODIFY column_name data_type DEFAULT 'default_value';

To allow NULL values:

sql

ALTER TABLE your_table MODIFY column_name data_type NULL;

Modify Application Code:
If the error is occurring within your application code, make sure you're providing values for all required columns before executing an INSERT statement.

Check Constraints:
Make sure that any constraints, such as foreign key constraints, are properly set up and that the referenced columns have values.

Debug and Logging:
Enable error logging in your database and application to get more detailed information about the error. Review the log files to identify the root cause.

Test Queries:
Test your SQL queries in a controlled environment, such as a database management tool like phpMyAdmin or MySQL Workbench, to isolate and diagnose the issue.

Database Backup:
Before making any changes to your database schema, make sure to back up your database to avoid data loss.

Remember that the specific steps to resolve the error may vary depending on your database structure and application code. It's important to thoroughly review and understand your database schema and the queries causing the error to implement an appropriate solution.