The Editors of Robotica would like to alert readers that ownership of the work presented in this publication is under dispute. The journal was informed that the article shows similarities with a thesis submitted to the Yazd University Faculty of Engineering entitled ‘Simultaneous Balancing and Sequencing of Mixed-Model Assembly Lines with Learning Effect and Fatigue’ by author AmirHosein Karimpoor and supervised by Maboobeh Honarvar. The journal has not been able to establish the true originators of the work despite attempts to seek assistance from the institutions involved. Author Arash Nobari has not responded to the journal's correspondence to him about this notice. Author Reza Eslamipoor has not indicated agreement with the publication of this notice. Attempts were made to contact the authors' institutions but were unsuccessful. An update will be published if further information becomes available.