Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a67940571db13d974e531e6c2b32ca8788ea5e065e76f0ec3e11d468ea8a3f7a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^