Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a873f357b08fb5893e511706a90f3e9a2bade4aac30b85701e6a71bc0ba7a182:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^