Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e392d9d4c67f1328fe45f931aadf3524159314d5cbec2438719a4fc4630a952:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^