Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 476eea0b6cca4e51c6683e0f7d2bf4db93a1f8e1b4b1b921857d1cab0c0086ac:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^