No reprex yet. Will create one if necessary. But I guess it's just a matter of fixing the \ns in the error message.
mice detected that your data are (nearly) multi-collinear.\nIt applied a ridge penalty to continue calculations, but the results can be unstable.\nDoes your dataset contain duplicates, linear transformation, or factors with unique respondent names?
No reprex yet. Will create one if necessary. But I guess it's just a matter of fixing the
\ns in the error message.