Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd73733a41b4b9dd7d8260192a0608722429502f5825b837752cff99922999cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^