Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f947bebea1acaa8c872080ac9afa490f3b5477abbc6c39dd423027b3ad235023:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^