Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a948a95507875b408a456d50271173e8e53cb3a1a718af767e07b241c9ec2d07:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^