Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c5d38cda936128535743cdec8dafe94cf758a3cdf1235426157136de346a607e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^