Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 565710bd4a03112f78c09e70e1d72caf39ca7bd8ef5a8600d7768a5617bd6316:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^