Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 479cf113cc1af599964c4ec611b0970b49bf34b2dcab6cc0ebd709d8d5025054:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^