Erratum to: Finding new physics without learning about it: anomaly detection as a tool for searches at colliders (The European Physical Journal C, (2021), 81, 1, (27), 10.1140/epjc/s10052-020-08807-w), We acknowledge the support from FCT Portugal, Lisboa2020, Compete2020, Portugal2020 and FEDER under project PTDC/FIS-PAR/29147/2017, CERN/FIS-PAR/0024/2019 and contract DL57/2016/CP1345/CT0004. This work was also supported by the European research Council project ERC-2018-ADG-835105 YoctoLHC. The computational part of this work was supported by INCD (funded by FCT and FEDER under the project 01/SAICT/2016 nr. 022153) and by FCT under project CPCA/A2/4075/2020. Part of the computation work was done in the Research Centre in Digitalization and Intelligent Robotics -CeDRI -at Instituto Politecnico de Braganca. This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 824093., info:eu-repo/semantics/publishedVersion