Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b50a22c564b6399852e18b5e91d488eea80b9d0de13ef3f9e2ad7a7dc79b92a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^