Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cfd28d7c04de72f5be28f40e31bcb2f35bfb505b26c20e172093275e62ce3b8f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^