Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd35f6105c6fb3d7f223f830e228e10155abf49e569916d35f001bd11a20377a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^