Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63ccb156d3a81ea20df66dc4c0c2b1bcf2aefa0805d0285e9a60bfcbd5380553:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^