Possible solutions but not sure:
- Database tables should be using InnoDB engine.
- The migrations should run in right order : the migration for creating the parent table should run first.
- Both the relating keys should use a same data type.
Last updated
2 years ago.
Solution
Try
$table->unsignedInteger('user_id');
instead of
$table->integer('user_id')->unsigned();
Last updated
2 years ago.
Maybe you trying add a foreign key to the users table, before the users table is created?
Last updated
2 years ago.
For those folks who wander here from Google, don't forget to put
...
$table->engine = InnoDB;
...
into both migrations!
Last updated
8 years ago.
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