Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a76a6f3ae3e1490551f4d69bab5132602c73ba59265f022203a68331f2c7fbb0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^