Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 48acf6d2333662e601ba75ebd75322fe42dd969a61bd0a2c623cc3e1d00c8d9c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^