Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b2f8502833083d9478d94ac4f11d22cb60621ea7f7ae260e1437d9c662faff2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^