Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df7c54e02e94a60cecde4cb1d13e6a64f7a17faf1778338fc7081151dc5cbf23:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^