Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8b61ecb547213228ac0b98b2623ac73094b9af447f78afd88165fc007f897db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^