Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b34e16d4215043df171655eae794b7cfea1590e2086ce690a7393b138816e972:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^