Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c5ceb0f43f85c13834104854f275b1c156489cc0707265b82d68a0983d1424ae:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^