Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09a155e7e0154778c47a0405481c1f8f6be392c2f9505d7f3d29dd1884bf7db6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^