“…An organizational system in a project consists of people, teams, organizational units, etc., which undertake the work that is related to each other through mechanisms such as communication (Browning et al, 2006) . r n a t i o n a l J o u r n a l o f M a n a g i n g P r o j e c t s i n B u s i n e s s The literature on inter-organizational collaboration stresses the importance of themes such as trust (Dietrich et al, 2010;Haaskhold et al, 2020), trust-control balance (Walker et al, 2017), relationship programs (Aaltonen and Turkulainen, 2018), culture of collaboration (Aarseth and Sorhaug, 2009) and focus on team formation (Lahdenperä, 2012;Oraee et al, 2017) or teamwork in general (Chen et al, 2018;Oraee et al, 2017;Suprapto et al, 2015). Yet, focusing too much on relationship development and embeddedness may also lead to the realizations of the dark sides of collaborative relationships.…”