Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8b9f80d32b028c5f403eefc8efa352004b1a67fc56a0d5404dec8d7118938fe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^