Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff268a8174106ce3a4093271eb7de76065d06882be90e439a3da0bd0557cfdd3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^