Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ce4185810f885691e2f844dc3af6f6bdd8e46774fc8f8553f341bdeb738d9c9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^