Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f19e918b8c991c5a992593eb4d5178b08885f76ad12c67da898420b019f8a062:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^