Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 01220d88b6b19b501599d05867aa5dd77abd047ce227b25d1e6a09c221225f25:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^