Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc1c46d7ce192fae28a5b8482a39586d599cefdd403f5d16455e2e7e0ea0f822:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^