Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d297c1bf8bf55281384656c951c86075eda8841f8bd59a30af1b5fb27bf24448:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^