Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e2a13b0f1f03842f625093f8b1e67848487ca936df1e90a9d505b1294e873221:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^