Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3c808a0efa9f53cfe532c710f3a372d88405ca4243123d106a7ebd163e4c746d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^