Error: Lowe index can only be computed from balanced data. Please consider balancing the data. In addition: Warning messages: 1: `drop`

argument ignored for subsetting a tibble with `x[j]`

, it has an effect only for `x[i, j]`

. 2: `drop`

argument ignored for subsetting a tibble with `x[j]`

, it has an effect only for `x[i, j]`

.

Dear all,

Is anyone familiar with this error? How should I solve this error?

Kind regards,

Lisanne