Call to a member function addEagerConstraints() on null
Call to a member function addEagerConstraints() on null 加上 return 就行了 ...
原文：laravel Call to a member function addEagerConstraints() on null
Call to a member function addEagerConstraints on null 這是laravel的關聯關系出問題 原因：你沒有返回關聯關系，就調用了關聯方法 解決： 請 return 出去沒有return 肯定報錯 ...
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