The mod Transport rings (0.3.0) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event transport-ring-teleporter::on_tick (ID 0)
The mod Helios One Concentrated Solar (2.0.0) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event kj_heliosOne::on_entity_cloned (ID 133)
kj_heliosOne/control.lua:76: attempt to index local 'ent' (a nil value)
stack traceback:
kj_heliosOne/control.lua:76: in function <kj_heliosOne/control.lua:72>
stack traceback:
[C]: in function 'clone'
transport-ring-teleporter/Teleporting.lua:7: in function 'teleport_entity'
transport-ring-teleporter/Teleporting.lua:102: in function 'ring_teleport'
transport-ring-teleporter/control.lua:339: in function 'func'
transport-ring-teleporter/util.lua:71: in function 'Execute'
transport-ring-teleporter/control.lua:970: in function <transport-ring-teleporter/control.lua:963>

Update: It also crashes no matter what if you try to teleport onto another planet.

Thanks for the report, should be fixed now!