Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6c2c635d29533a91e6dd81b55f6a1e66ceaa99960519be55151a36650a5f12f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^