Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2b0298ec0b6d782686869a30ab6cbc211b53122915f29a7d87579295f4eedb8d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^