Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7db8be1d833cfcc5ffe13a462968642196ef835b801b573a42c928920f55f4b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^