Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1504de123b964d4cf9b2cbf0d4e800228fb2b2c250d6ff84ea389a373bc991c3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^