Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b2b3f58f00822b9b5db03f13c15e65434f834faeaf8da67211fc910d0adec21:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^