Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42ad871328e6ed289e5f50a4d877a0bfe3d8a19170c25a406e7819a0d7c4eeff:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^