Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 482d97d65ca443c09a62305d71cea3969a6f88e533b4d047a2216cba5f5477d9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^