Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e6df15a68f83a6c10f49ab21e05a2aad885c39f72c42b23ae09284e6301b32bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^