Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f3ffd2530edfa0369f21e6aaf8290c5f5f0e370439e1c0f66aa1696dab01de0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^