Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4cec52bf8022759d5a992a98db4691860e72308dc32517444af046af60aecd1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^