Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75219c7be1bef2b14353d8da1a9fd18ea794ed31a0790350008f058386d1dd49:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^