Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 425c8172499ae3d6d7edd1a6800eef915b49814f326358e64a18c2834e463dfa:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^