Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 44d96d7945fa68820c6365ecb69a2e087fb4008cabd72e43c9fb0a5d00078b35:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^