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I have an apex class that was scheduled and working fine. Due to inactive user the scheduled job has stopped working and now I am trying to create a new schedule for the apex class but getting below error.

"You must select an apex class that has a parameterless constructor"

As per my understanding we dont need to create a parameterless constructor specifically. Also as it was working before it should work now as well.

Tried compiling all classes but no luck.

Need you expertise to solve this issue. Thanks a lot in advance.

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Apex classes have a default, no-argument constructor, but as soon as you declare any other constructor you lose it.

If your apex class has any constructor, then you need to explicitly create the no-arg constructor yourself.

e.g.

public class MyClass{ Integer memberInt; public MyClass(Integer oneArg){ memberInt = oneArg; } // Since this class has at least one constructor defined, we lose the // automatic no-arg constructor. // If you need a no-arg constructor, you need to write it yourself public MyClass(){ } }
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  • Thanks for the help. So my concern is how this class was scheduled before and working correctly till now. Commented Apr 20, 2022 at 12:15

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