Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e0a0d37d90377640602b92e936e482e0bc996602d04ac731073404607585911b:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^