Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3fd4ef60fafa4582b238f0d486620b415812951db71db86ddb2c84a6d63aeeeb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^