Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a90bfc8cd018dc002648d5ea587ecafd9c44eddba391d99dbe02a37fda5e19f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^