Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1d02da50a41b1f6bbb7373e7802ab3deaa15ade2f78d27f95fe882489faa56c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^