Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 488f638cf4f275eff964c70666d2f8fe2f94c1653a12acec87156b254356e38a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^