Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d0ed913857e5f8d32146d0fe4cafb2d359931b71760823781d5c2e73565f118b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^