Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 60910f807b5c5c80c306dfe2c8cbb521f6d1790031d96e4f3e2d7365a75be33e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^