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Editorial Team
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Editorial Team
Asked: June 14, 20262026-06-14T00:17:24+00:00 2026-06-14T00:17:24+00:00

I want to connect two entity (project and issues) and Rails says some error

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I want to connect two entity (project and issues) and Rails says some error message, but I don’t know, what should I do. Can you help me fix it, please? Thanks a lot.

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  1. Editorial Team
    Editorial Team
    2026-06-14T00:17:25+00:00Added an answer on June 14, 2026 at 12:17 am

    Not sure what your are trying to do, but it looks like you have a nested resource and therefore want to pass an array to form_for, but you are actually passing two separate objects. Change:

    <%= form_for(@project, @project.issues.build) do |f| %>
    

    to:

    <%= form_for([@project, @project.issues.build]) do |f| %>
    

    With this change you’ll pass one array for form_for, instead of two arguments.

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