Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89301afeec8e5dcd93cc0e8c84c252bd10f88f2ad102e8ddcfd1fcd9c6d9defd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^