FactomineR - MFA error

General
1

I performed an MFA with FactoMineR and obtaines the following warning message

1: In doTryCatch(return(expr), name, parentenv, handler) :
zero-length arrow is of indeterminate angle and so skipped
2: In doTryCatch(return(expr), name, parentenv, handler) :
zero-length arrow is of indeterminate angle and so skipped

But I don't understand its meaning and how I could resolve this problem.
Could you help me please ?

2

I am not sure you will find too much help with the limited amount of information provided so far -- other than to point you to r-help mailing lists and stack overflow posts mentioning that error.

I think you'll improve the chances of finding help if you offer a minimal reproducible example.
If you're not familiar with that; FAQ: What's a reproducible example (`reprex`) and how do I do one?

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