Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 51e0e0a54d6f2fd5fbf312bfa56fb7ed4997392313d1f2aa7e7a7c32e46a14dc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^