Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be231082007038c0d9b2fb62a99eb01e1156e0cc4dd3e2c5ec86bb305697154a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^