Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b3c691dea5bb9d3c3e2fe6564f22d5bbf538549b7f32816158e2037dbe88c0cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^