Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e691aff1c658f291aa9103bb55e85aeb5b0bb9f4ee3e1325954e31b2ee622ee:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^