Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d49abde9c85f3fcc61d9c7fb7fd8521a008af55c59a0a10db1470796fb2d05c7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^