Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31880296547db7c60eb2ccb42353663bffd28e7455a928c64a1d1dad8922c710:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^