Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5c11cd3832bc24f03e80efda372f6514d5c8d8206f4080d4c2725b1160b7cdc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^