Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 58016d33c2a1e0df3c7ff2834e6cce60c7002d133a3d5367a348dce6726529cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^