With this modification you can connect Russian Open Spaces, Kirov Map, NNMap, Project Russia, M12-Vostok and Russian Federation Extended without serious errors.

Load order:
Russian Open Spaces Map Combp RC&FIX
M12_Vostok
Project Russia – Rusmap Aldimator RC(If used Rusmap by Aldimator)
Project Russia
Russian Federation Extended NNmap RC
Russian Federation Extended
NNMap
KirovMap 1.6
Russian Open Spaces
Rusmap Files (VK or Aldimator)

Credits:
Lyonzyi_Leonid5