Bug with Diagonal Support Beam

Game mode: [Online Multiplayer private server Live]
Problem: [Bug]
Region: [EU]


Diagonal Support Beam stops providing support after server restarts


Steps on how to reproduce issue:
1.Build 5 cellings from a wall with Diagonal Support Beam supporting it
2.Restart server
3.Diagonal Support Beam sometimes stops providing support so the 5th wall gets removed

Server log

[2018.05.20-06.21.24:811][907]Building:Warning: Code: ABuildingBase::Validate - Removed 1 unstable building modules of type: /Game/Systems/Building/BP_BuildCeil
ing.BP_BuildCeiling_C owner: 22
[2018.05.20-06.21.24:812][907]Building:Warning: Code: ABuildingBase::Validate - Removed 1 unstable building modules of type: /Game/Systems/Building/BP_BuildCeil
ing.BP_BuildCeiling_C owner: 22
[2018.05.20-06.21.24:817][907]Building:Warning: Code: ABuildingBase::Validate - Removed 5 unstable building modules of type: /Game/Systems/Building/BP_BuildCeil
ing.BP_BuildCeiling_C owner: 22
[2018.05.20-06.21.24:819][907]Building:Warning: Code: ABuildingBase::Validate - Removed 1 unstable building modules of type: /Game/Systems/Building/BP_BuildRoof
top_straight_T2.BP_BuildRooftop_straight_T2_C owner: 22
[2018.05.20-06.21.24:822][907]Building:Warning: Code: ABuildingBase::Validate - Removed 8 unstable building modules of type: /Game/Systems/Building/BP_BuildWall
.BP_BuildWall_C owner: 22
[2018.05.20-06.21.24:824][907]Building:Warning: Code: ABuildingBase::Validate - Removed 8 unstable building modules of type: /Game/Systems/Building/BP_BuildCeil
ing.BP_BuildCeiling_C owner: 22
[2018.05.20-06.21.24:828][907]Building:Warning: Code: ABuildingBase::Validate - Removed 9 unstable building modules of type: /Game/Systems/Building/BP_Build_Str
ut_Diagonal.BP_Build_Strut_Diagonal_C owner: 22
[2018.05.20-06.21.24:831][907]Building:Warning: Code: ABuildingBase::Validate - Removed 8 unstable building modules of type: /Game/Systems/Building/BP_BuildStai
rs.BP_BuildStairs_C owner: 22
[2018.05.20-06.21.24:833][907]Building:Warning: Code: ABuildingBase::Validate - Removed 8 unstable building modules of type: /Game/Systems/Building/BP_BuildRoof
_Sloped_T2.BP_BuildRoof_Sloped_T2_C owner: 22
[2018.05.20-06.21.24:834][907]Building:Warning: Code: ABuildingBase::Validate - Removed 3 unstable building modules of type: /Game/Systems/Building/BP_BuildRoof
top_straight_T2.BP_BuildRooftop_straight_T2_C owner: 22