Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac751285b93b9ff729746aed1b5269bdbad4dcd2f55a75443a1efc8581039497:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^