Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 60411e48f8419814b64f907de2020f001a492abe38d8715f4034983006839633:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^