Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 55294296adeea4181a57c6c2b7a024d1108af5e0b8f12c25ead26f56f7ea899d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^