Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72d77597c65b5e23203d1455d001910ce2f0f7f970ddcdb63dcd995a9a08acef:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^