Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 720afd81bc796c3934e09a765929bb753b2f72d1abde2b6b9cc7f1ff1120d07f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^