Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2eff2b74bc308b608ac05b7de021945386046f78fe916afce1daaba12e261e7b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^