Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ff84ab7588450eff8bcf6a8f3843d30c5e9c0ca5d2991a98505a9a16acf8d39:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^