Negative mass

[dranorter]

My 3rd world generated, I got the following:

Worldengine - a world generator (v. 0.19.0)
-----------------------
 operation            : world generation
 seed                 : 63565
 name                 : seed_63565
 width                : 1400
 height               : 700
 number of plates     : 20
 world format         : protobuf
 black and white maps : False
 step                 : full
 greyscale heightmap  : True
 icecaps heightmap    : False
 rivers map           : False
 scatter plot         : False
 satellite map        : False
 fade borders         : True
 gamma value          : 1.25
 gamma offset         : 0.2

starting (it could take a few minutes) ...
Assertion `0` failed in cpp_src/mass.cpp line 81 Message: A negative mass is not allowed
Assertion `0` failed in cpp_src/mass.cpp line 81 Message: A negative mass is not allowed
Assertion `0` failed in cpp_src/mass.cpp line 81 Message: A negative mass is not allowed```