Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e4b4febf9887e386febb108aa6c5c6621740a78f6319a70338228bfd3031aa0d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^