Answers for "error code: 3780. referencing column 'categoryid' and referenced column 'categoryid' in foreign key constraint 'data_ibfk_1' are incompatible."

General error: 3780 Referencing column 'user_id' and referenced column 'id' in foreign key constraint 'blog_posts_user_id_foreign' are incompatible.

$table->bigInteger('user_id')->unsigned()->index();
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Posted by: Guest on November-28-2020

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