Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 376f8d4734213c37d8be0963d87c731a3b4cd716bb9dd354ce1fce0543bb2389:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^