Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fffd726eb631f4c7f03f8dac5a0549d6309feb0143680aa90ffdcd3fbfe1685c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^