Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2c68b3db562da5c94dbb10675c516ad782fecddce7adff6315d5555e88c866e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^