Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8cb3f22d1e38643947e126e7c53fa9a2eaf98ee2303022432be51ac7cf5d7fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^