Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e20eba8e2be0d7322ed9004c0c2ebd9b488589bb189a98f59d32e6ffd49144fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^