Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1bcfa0a8ec03bc07606a4ae0d3bcbb0cea1cbd5e971958ac93769640253739a:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^