Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b65d55dc35a492b5a493240290513994d840e0dcabb5c132c040844a3d9d575:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^