Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a7843db56f59c86b183c3781e2790f2c6176b5c1a9f9424755b79db9c11a9a8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^