Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8a798f113e08044c07d33480fab251fa8eb3b18780dedcba36de0f42d722cce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^