Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13dbf3275581104f713ff59daab7113c00d21033a1fcc48690d5d1c9b9eac0fc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^