Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5aaa97dd8405c97cb3b623e89caa0e020e6ecf2b4b15196be0913dac6358d872:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^