Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b73aefd4e78271924882564c4610bf28fb2e79a4c26e67cb8578c8ff9dccf4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^