Get the source code, and adjust as necessary.

Line 437 should likely use "chain" instead of "config", to set the clustering distance function.

https://github.com/elki-project/elki/blob/54a0f4534e010ad035dceac337ea46abbe533200/addons/uncertain/src/main/java/elki/clustering/uncertain/RepresentativeUncertainClustering.java#L437-L442

and line 444 needs to correctly set the samplesAlgorithm, not only check its type https://github.com/elki-project/elki/blob/54a0f4534e010ad035dceac337ea46abbe533200/addons/uncertain/src/main/java/elki/clustering/uncertain/RepresentativeUncertainClustering.java#L444

these appear to be two errors introduced in later refactoring of the addon when switching to the "functional" syntax: https://github.com/elki-project/elki/commit/abce775c2d70987f66fb3ce9adeaf399109d60a0#diff-abd5ed5bfc80039eab26d959f5c3aa042a1a5e13ed55196f560cf61045404c47