Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 856765cb6b9ec3d3380386d96905860f605285d0605b56c7094869f2304ce26c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^