Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd372ccf2f19b06cebdbc62edc68fe679100b09e13a35802bb259b2f97ea94dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^