Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0713d14fbaafc2e0a0b8391fcdd622d638edb10260b4b8f3633b66dca90f7e84:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^