Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be6d0a886e740be6ad4630f57c1ae96fbf2358322b22bb63ec0c90120d61cd41:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^