In this note, we point out an error in the above paper. We also refer to some papers where this error is corrected partially and describe a positive approach to correct it completely.
"Erratum to “$K$–theory of virtually poly-surface groups”." Algebr. Geom. Topol. 3 (2) 1291 - 1292, 2003. https://doi.org/10.2140/agt.2003.3.1291