Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 853de67c12a9266f02867a949e7c017f9707a3093c63fd00f9e41471bed5221b:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^