Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f7d778c71d5be9e3130abb96416d12da8115240be2112a67f567df429e6afdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^