Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5d7dd8e9aecd30290ab23d32bfcfbbc8d572613f645ffc81328d91d006d50cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^