Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b5a1f00a777c8ce1e3468bd08afe39e47465f0c4a499f155b6b88349f940718:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^