Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2200269a603465cd94f9c922daf14611aa907b17c9e1c4c06e57be1257dc24e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^