diff --git a/R/PipeOpLearnerPICVPlus.R b/R/PipeOpLearnerPICVPlus.R
index a1066c21f..3532737f4 100644
--- a/R/PipeOpLearnerPICVPlus.R
+++ b/R/PipeOpLearnerPICVPlus.R
@@ -171,8 +171,9 @@ PipeOpLearnerPICVPlus = R6Class("PipeOpLearnerPICVPlus",
       prds = rbindlist(map(rr$predictions(predict_sets = "test"), as.data.table), idcol = "fold")
 
       # Add states of trained models and residuals to PipeOp state
+      fold = NULL  # for binding
       self$state = list(cv_model_states = map(rr$learners, "state"),
-                        residuals = prds[, .(fold, residual = abs(truth - response))])
+                        residuals = prds[, list(fold, residual = abs(truth - response))])
 
       list(NULL)
     },
@@ -240,5 +241,3 @@ unmarshal_model.pipeop_learner_pi_cvplus_state_marshaled = function(model, inpla
 }
 
 mlr_pipeops$add("learner_pi_cvplus", PipeOpLearnerPICVPlus, list(R6Class("Learner", public = list(id = "learner_pi_cvplus", task_type = "regr", param_set = ps(), packages = "mlr3pipelines"))$new()))
-
-
diff --git a/R/PipeOpLearnerQuantiles.R b/R/PipeOpLearnerQuantiles.R
index cf9972c84..e9279a51d 100644
--- a/R/PipeOpLearnerQuantiles.R
+++ b/R/PipeOpLearnerQuantiles.R
@@ -9,7 +9,7 @@
 #'
 #' [`PipeOpLearnerQuantiles`] only supports [`LearnerRegr`][mlr3::LearnerRegr]s that have `quantiles` as a possible `pedict_type`.
 #'
-#' It produces quantile-based predictions for multiple quantiles in one [`PredictionRegr`][mlr3::Prediction]. This is especially helpful if the [`LearnerRegr`][mlr3::LearnerRegr] can only predict one quantile (like for example [`LearnerRegrGBM`][mlr3extralearners::LearnerRegrGBM])
+#' It produces quantile-based predictions for multiple quantiles in one [`PredictionRegr`][mlr3::Prediction]. This is especially helpful if the [`LearnerRegr`][mlr3::LearnerRegr] can only predict one quantile (like for example `LearnerRegrGBM` in `mlr3extralearners`)
 #'
 #' Inherits the `$param_set` (and therefore `$param_set$values`) from the [`Learner`][mlr3::Learner] it is constructed from.
 #'
diff --git a/man/mlr_pipeops_learner_quantiles.Rd b/man/mlr_pipeops_learner_quantiles.Rd
index 81325206f..7ffd250e5 100644
--- a/man/mlr_pipeops_learner_quantiles.Rd
+++ b/man/mlr_pipeops_learner_quantiles.Rd
@@ -12,7 +12,7 @@ Wraps a \code{\link[mlr3:LearnerRegr]{LearnerRegr}} into a \code{\link{PipeOp}}
 
 \code{\link{PipeOpLearnerQuantiles}} only supports \code{\link[mlr3:LearnerRegr]{LearnerRegr}}s that have \code{quantiles} as a possible \code{pedict_type}.
 
-It produces quantile-based predictions for multiple quantiles in one \code{\link[mlr3:Prediction]{PredictionRegr}}. This is especially helpful if the \code{\link[mlr3:LearnerRegr]{LearnerRegr}} can only predict one quantile (like for example \code{\link[mlr3extralearners:mlr_learners_regr.gbm]{LearnerRegrGBM}})
+It produces quantile-based predictions for multiple quantiles in one \code{\link[mlr3:Prediction]{PredictionRegr}}. This is especially helpful if the \code{\link[mlr3:LearnerRegr]{LearnerRegr}} can only predict one quantile (like for example \code{LearnerRegrGBM} in \code{mlr3extralearners})
 
 Inherits the \verb{$param_set} (and therefore \verb{$param_set$values}) from the \code{\link[mlr3:Learner]{Learner}} it is constructed from.
 }