SQLSTATE[HY000]: General error: 1364 Field 'name' doesn't have a default value (SQL: insert into `cats` (`updated_at`, `created_at`)

# Decoding the Error: Solving SQLSTATE[HY000]: Field 'name' doesn't have a default value in Laravel As developers working with relational databases via an ORM like Eloquent, we often encounter frustrating runtime errors that bridge the gap between our application logic and the underlying database schema. One of the most common issues encountered during data insertion is the `SQLSTATE[HY000]: General error: 1364 Field 'name' doesn't have a default value`. This error, while seemingly simple, signals a fundamental mismatch between what your Laravel application *expects* to insert and what the underlying MySQL/PostgreSQL database *requires*. As senior developers, our job is not just to fix the error but to understand the systemic cause. This post will dissect why this error occurs in a Laravel context, focusing on Eloquent models, migrations, and best practices. ## Understanding the Error at a Glance The provided error message: ```sql SQLSTATE[HY000]: General error: 1364 Field 'name' doesn't have a default value (SQL: insert into `cats` (`updated_at`, `created_at`) values (...)) ``` tells us that the database received an instruction to insert data, but it failed because one of the required columns in the `cats` table—specifically the `name` column—was omitted from the `INSERT` statement, and crucially, the database schema does not define a default value for this field. In essence: **The application is asking the database to save a value for `name`, but the database structure doesn't allow it.** ## Root Cause Analysis in Laravel/Eloquent When we examine the provided code snippets, several potential pitfalls emerge that lead to this error: 1. **Model Mismatch (The Naming Convention Issue):** Your model definition shows you are using the attribute `nama`: ```php protected $fillable = ['nama']; ``` However, your controller attempts to pass data for a field named `name` (based on how it’s being mapped in `$form_data`). Eloquent relies heavily on these conventions. If you try to save a value for a column that doesn't exist or isn't defined correctly, this issue arises. 2. **Migration Deficiency (The Schema Issue):** The most direct cause of the error is usually the database migration. If you are trying to insert data into a column named `name`, that column *must* exist in the `cats` table and must either be nullable or possess a defined default value (`DEFAULT ''` or similar) if it is not provided during insertion. 3. **Mass Assignment Misuse:** In your controller, you are building `$form_data`. If this array contains keys that do not match the actual columns in the database (or don't match what `$fillable` allows), Eloquent might struggle or default to omitting required fields. ## Step-by-Step Solution and Best Practices To resolve this reliably, we must address both the application code (Eloquent) and the database schema (Migrations). Following Laravel best practices, especially those highlighted by the team at [laravelcompany.com](https://laravelcompany.com), ensures robust data handling across your stack. ### Step 1: Correcting the Database Migration Before writing any more application code, ensure your migration correctly