Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86545827ed5e73174e403e5a21c0f242c9ea01151d1a115a0bf5f0d2e5a0530f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^