Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91fa163c22d15d5825476fa14d0b1be62e3b1b45d8df8509031c5dd58bae855f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^