Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1df8b3007148a1aaaf3206d4b203c12bf62ce060e158fa8415b91ae61a360ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^