Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7cf15579f6ec76fcbd16c3693b204933ffa1c02db1d8182da5fdf55fec584fc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^