Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a5a0d6e5bea3e64df4b785fb2024a571af3c41118794250b7d839ffe701f30b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^