Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2ca145a2095948d06d7f670e35ed003826be3941c378d61b7c2562eede8721e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^