RadSystems 8.7.0, SQLSTATE[42000]: Syntax Error Or Access Violation: 1066 Not Unique Table/Alias:

RadSystems 8.7.0, SQLSTATE[42000]: Syntax Error Or Access Violation: 1066 Not Unique Table/Alias:
ListPage :
if we have more then 1 column, related to same table → generated result alias name generated same alias table both of related table

example:
Select Count(*) As Aggregate From Mstrain
Inner Join Mslocstation On Mstrain.Traoriginstationid = Mslocstation.Lsid
Inner Join Mslocstation On Mstrain.Tradeststationid = Mslocstation.Lsid