Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28cd73c347862595c0d4050aafb7f48d8f6f641884ad6e03d0fb8fc08f210c2e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^