I am currently running a series of lasso regressions and I encountered an error that I cannot identify.

Code:
dsregress `dep_var' `varlist', controls(`controls') miss

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r(3001);
r(3001) refers to:
incorrect number of arguments
The function expected, say, three arguments and received two, or
five. Or the function allows between three and five arguments,
but you supplied too many or too few. Fix the calling program.

On the other hand, I do not know why this is happening. As you can see, for some covariates it seems to work fine, but for some others it doesn't.

Thank you in advance for your help!