Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c00188a76eb5c79a6dac96512e6a23e63082063249c34065ac11febbe4cf9157:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^