Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d749df9d5eb5afd869eb41464e03e1bf11ded819c14c20e3f6b965f0d70367fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^