Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 564ab6de2dc960dc3bfe41d51d99559ecf425442d42951a19aaac7c8a35a686b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^