Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d7ca5269b30fc07ea6b22cdba8ec6dea506cfde33d11dbfe67265e1c049efad:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^