[Answered ]-Django invalid literal for int() with base 10 get_prep_value

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I think you have incorrectly passed the stage object instead of stage.pk as argument in url template tag in the index.html page.

Try changing

{% url 'autostages:detail' stage %}

{% url 'autostages:detail' stage.pk %}

Actually, when you were passing stage object as the argument, then its representation which you have defined in your model i.e. stage_number was being used as the value of the argument. S1 not being an integer led to the error.

👤Rahul Gupta

[Answered ]-List sent over AJAX and compared to seemingly identical list in Django returns false

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Normaly You have this issue when you trying to add or read data with int field models in your case verify that value field receive only positive small int

👤Mbambadev