Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 884573f9a231328b2701b1d23f34195dfead011106b22d1a12679198dfbdedb0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^