Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 535af2c00b31822299c34f49149cb3e902db00c39a1d620874621851a0681eed:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^