Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ddff31fbde26639e20c6ad927d1c6c09f7fcabf46c61ab328d3e34f80f997cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^