Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b20729aa2ff22df19749309a28ef14c6a0fb4728e2922666ccd2cb1f4d69d91b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^