Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0e2baaf362a7209954797243788da5fd88ef521ef6e1a349e7e34e7b21534cf0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^