Is toolkit 2.1 has a problem with LPS flow unit?
since I use two simple *.inp file by different flow unit (both tested in Epanet) but only GPM unit loaded truly, and the other one has bellow err:
EPANET loaded sucessfuly.
Input Error 223: not enough nodes in network
Warning: Could not open the file, please check INP file.
In epanet (line 469)