1 Correction to: RACSAM https://doi.org/10.1007/s13398-018-0507-y

Unfortunately an erratum appears in the statement corresponding to Theorem 6.9 of the above mentioned paper.

It is written there: \(|J| \le \mathfrak c\).

It should read: \(|J| = \mathfrak c\). After this modification, the proof stated for 6.9 is correct.