Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8edaa90dd6588e133f48e90b5aba73efd6c652d56e7b5d6b1ed4aa034bfaa2da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^