Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42f13400a37867758368623d6a6d706f3a85b39e82bfc14ade6e029ea0cf2bba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^