Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 660e968db9773cb39540a8846d6d8580281ec3d661c5e2cdcebc32baaf8167d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^