Korolev's problem was his mentality which caused his refusal to compromise on technical issues
Explanation:
Sergei Korolev
Father of the Soviet Union's success in space. Sergei Korolev is the man responsible for the first human spaceflight.
In 1931 he founded the Group for Investigation of Reactive Motion (GIRD), which developed the first Soviet liquid-fuelled rockets: the GIRD-9 and 10.
Korolev's problem was his mentality. His intent was to somehow use the launcher he had [the N1 (rocket)]. It was designed in 1958 for a different purpose and with a limited payload of about 70 tons.
Korolev's refusal to compromise on technical issues resulted in alienation of other chief designers, most notably Glushko.
