Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5ec398912572f35c2be8d730de61229a1252e63a0db74797deecfc89d85e264:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^