Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e007968ce1e072f28d2b2899f1e4683db9e7ba4de9918ab1f1e487042374783:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^