Error in HADDOCK run First pdb file contains multiple residues with number 52 in chain H Directory of the run: http://milou.science.uu.nl/serviceresults/HADDOCK2.2/3313765694/II8B10G

The HADDOCK category is meant to discuss any HADDOCK-related issue. For general information about HADDOCK refer to http://www.bonvinlab.org/software/haddock2.2

As written in the error message, your PDB file contains multiple residues with number 52 in chain H

Clean up your input file and the problem should be fixed