Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69e75b0f9e70294669c4f6d3e444cfdc1bc7402e76090732f6d3f50afa041448:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^