Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84aa1211a8c1eab56000b638b66c8c0ed363452cb2aecb4f59acc765f9dc5c94:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^