Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 528e4c957ae696e7985229b9a2b92fb41b10f573ba540daf1fd78ee93a9b78e9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^